Home / 127,916.62-191,875.03-39,158.64

Finding the Fourth Proportional to 127,916.62, 191,875.03 and 39,158.64

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Solution

The fourth proportional to 127,916.62, 191,875.03 and 39,158.64 is: 58,737.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,916.62 : 191,875.03 = 39,158.64 : x
  2. Step 2: Convert to fraction form
    127,916.62/191,875.03 = 39,158.64/x
  3. Step 3: Cross multiply
    127,916.62x = 191,875.03 × 39,158.64
  4. Step 4: Simplify right side
    127,916.62x = 7,513,565,126.86
  5. Step 5: Solve for x
    x = 7,513,565,126.86/127,916.62
  6. Step 6: Final answer
    x = 58,737.99

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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.