Home / 156,401.13-234,565.72-93,239.09

Finding the Fourth Proportional to 156,401.13, 234,565.72 and 93,239.09

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Solution

The fourth proportional to 156,401.13, 234,565.72 and 93,239.09 is: 139,837.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,401.13 : 234,565.72 = 93,239.09 : x
  2. Step 2: Convert to fraction form
    156,401.13/234,565.72 = 93,239.09/x
  3. Step 3: Cross multiply
    156,401.13x = 234,565.72 × 93,239.09
  4. Step 4: Simplify right side
    156,401.13x = 21,870,694,277.99
  5. Step 5: Solve for x
    x = 21,870,694,277.99/156,401.13
  6. Step 6: Final answer
    x = 139,837.19

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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.