Home / 177,857.40-266,786.10-169,984.20

Finding the Fourth Proportional to 177,857.40, 266,786.10 and 169,984.20

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Solution

The fourth proportional to 177,857.40, 266,786.10 and 169,984.20 is: 254,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,857.40 : 266,786.10 = 169,984.20 : x
  2. Step 2: Convert to fraction form
    177,857.40/266,786.10 = 169,984.20/x
  3. Step 3: Cross multiply
    177,857.40x = 266,786.10 × 169,984.20
  4. Step 4: Simplify right side
    177,857.40x = 45,349,421,779.62
  5. Step 5: Solve for x
    x = 45,349,421,779.62/177,857.40
  6. Step 6: Final answer
    x = 254,976.30

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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.