Home / 114,712.20-158,275.14-66,938.28

Finding the Fourth Proportional to 114,712.20, 158,275.14 and 66,938.28

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Solution

The fourth proportional to 114,712.20, 158,275.14 and 66,938.28 is: 92,358.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,712.20 : 158,275.14 = 66,938.28 : x
  2. Step 2: Convert to fraction form
    114,712.20/158,275.14 = 66,938.28/x
  3. Step 3: Cross multiply
    114,712.20x = 158,275.14 × 66,938.28
  4. Step 4: Simplify right side
    114,712.20x = 10,594,665,638.36
  5. Step 5: Solve for x
    x = 10,594,665,638.36/114,712.20
  6. Step 6: Final answer
    x = 92,358.66

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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.