Home / 156,240.19-234,311.91-56,387.74

Finding the Fourth Proportional to 156,240.19, 234,311.91 and 56,387.74

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Solution

The fourth proportional to 156,240.19, 234,311.91 and 56,387.74 is: 84,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,240.19 : 234,311.91 = 56,387.74 : x
  2. Step 2: Convert to fraction form
    156,240.19/234,311.91 = 56,387.74/x
  3. Step 3: Cross multiply
    156,240.19x = 234,311.91 × 56,387.74
  4. Step 4: Simplify right side
    156,240.19x = 13,212,319,059.98
  5. Step 5: Solve for x
    x = 13,212,319,059.98/156,240.19
  6. Step 6: Final answer
    x = 84,564.15

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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.