Home / 156,402.61-234,567.91-93,240.53

Finding the Fourth Proportional to 156,402.61, 234,567.91 and 93,240.53

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Solution

The fourth proportional to 156,402.61, 234,567.91 and 93,240.53 is: 139,839.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,402.61 : 234,567.91 = 93,240.53 : x
  2. Step 2: Convert to fraction form
    156,402.61/234,567.91 = 93,240.53/x
  3. Step 3: Cross multiply
    156,402.61x = 234,567.91 × 93,240.53
  4. Step 4: Simplify right side
    156,402.61x = 21,871,234,843.45
  5. Step 5: Solve for x
    x = 21,871,234,843.45/156,402.61
  6. Step 6: Final answer
    x = 139,839.32

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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.