Home / 127,217.14-175,564.53-69,861.25

Finding the Fourth Proportional to 127,217.14, 175,564.53 and 69,861.25

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Solution

The fourth proportional to 127,217.14, 175,564.53 and 69,861.25 is: 96,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,217.14 : 175,564.53 = 69,861.25 : x
  2. Step 2: Convert to fraction form
    127,217.14/175,564.53 = 69,861.25/x
  3. Step 3: Cross multiply
    127,217.14x = 175,564.53 × 69,861.25
  4. Step 4: Simplify right side
    127,217.14x = 12,265,157,521.46
  5. Step 5: Solve for x
    x = 12,265,157,521.46/127,217.14
  6. Step 6: Final answer
    x = 96,411.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.