Home / 156,437.12-234,726.56-66,504.24

Finding the Fourth Proportional to 156,437.12, 234,726.56 and 66,504.24

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Solution

The fourth proportional to 156,437.12, 234,726.56 and 66,504.24 is: 99,786.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,437.12 : 234,726.56 = 66,504.24 : x
  2. Step 2: Convert to fraction form
    156,437.12/234,726.56 = 66,504.24/x
  3. Step 3: Cross multiply
    156,437.12x = 234,726.56 × 66,504.24
  4. Step 4: Simplify right side
    156,437.12x = 15,610,311,397.48
  5. Step 5: Solve for x
    x = 15,610,311,397.48/156,437.12
  6. Step 6: Final answer
    x = 99,786.49

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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.