Home / 193,588,304.40-290,382,456.60-172,425,142.80

Finding the Fourth Proportional to 193,588,304.40, 290,382,456.60 and 172,425,142.80

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Solution

The fourth proportional to 193,588,304.40, 290,382,456.60 and 172,425,142.80 is: 258,637,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,588,304.40 : 290,382,456.60 = 172,425,142.80 : x
  2. Step 2: Convert to fraction form
    193,588,304.40/290,382,456.60 = 172,425,142.80/x
  3. Step 3: Cross multiply
    193,588,304.40x = 290,382,456.60 × 172,425,142.80
  4. Step 4: Simplify right side
    193,588,304.40x = 50,069,236,545,869,808
  5. Step 5: Solve for x
    x = 50,069,236,545,869,808/193,588,304.40
  6. Step 6: Final answer
    x = 258,637,714.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.