Home / 153,890.80-230,836.20-127,625.20

Finding the Fourth Proportional to 153,890.80, 230,836.20 and 127,625.20

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Solution

The fourth proportional to 153,890.80, 230,836.20 and 127,625.20 is: 191,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,890.80 : 230,836.20 = 127,625.20 : x
  2. Step 2: Convert to fraction form
    153,890.80/230,836.20 = 127,625.20/x
  3. Step 3: Cross multiply
    153,890.80x = 230,836.20 × 127,625.20
  4. Step 4: Simplify right side
    153,890.80x = 29,460,516,192.24
  5. Step 5: Solve for x
    x = 29,460,516,192.24/153,890.80
  6. Step 6: Final answer
    x = 191,437.80

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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.