Home / 115,338.28-159,168.90-67,605.16

Finding the Fourth Proportional to 115,338.28, 159,168.90 and 67,605.16

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Solution

The fourth proportional to 115,338.28, 159,168.90 and 67,605.16 is: 93,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,338.28 : 159,168.90 = 67,605.16 : x
  2. Step 2: Convert to fraction form
    115,338.28/159,168.90 = 67,605.16/x
  3. Step 3: Cross multiply
    115,338.28x = 159,168.90 × 67,605.16
  4. Step 4: Simplify right side
    115,338.28x = 10,760,638,951.52
  5. Step 5: Solve for x
    x = 10,760,638,951.52/115,338.28
  6. Step 6: Final answer
    x = 93,296.34

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1.5x scale

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.