Home / 114,712.95-158,276.17-66,939.03

Finding the Fourth Proportional to 114,712.95, 158,276.17 and 66,939.03

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Solution

The fourth proportional to 114,712.95, 158,276.17 and 66,939.03 is: 92,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,712.95 : 158,276.17 = 66,939.03 : x
  2. Step 2: Convert to fraction form
    114,712.95/158,276.17 = 66,939.03/x
  3. Step 3: Cross multiply
    114,712.95x = 158,276.17 × 66,939.03
  4. Step 4: Simplify right side
    114,712.95x = 10,594,853,291.92
  5. Step 5: Solve for x
    x = 10,594,853,291.92/114,712.95
  6. Step 6: Final answer
    x = 92,359.70

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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.