Home / 156,420.17-234,639.39-60,357.89

Finding the Fourth Proportional to 156,420.17, 234,639.39 and 60,357.89

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Solution

The fourth proportional to 156,420.17, 234,639.39 and 60,357.89 is: 90,540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,420.17 : 234,639.39 = 60,357.89 : x
  2. Step 2: Convert to fraction form
    156,420.17/234,639.39 = 60,357.89/x
  3. Step 3: Cross multiply
    156,420.17x = 234,639.39 × 60,357.89
  4. Step 4: Simplify right side
    156,420.17x = 14,162,338,491.29
  5. Step 5: Solve for x
    x = 14,162,338,491.29/156,420.17
  6. Step 6: Final answer
    x = 90,540.36

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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.