Home / 140,864.52-194,392.26-77,200.14

Finding the Fourth Proportional to 140,864.52, 194,392.26 and 77,200.14

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Solution

The fourth proportional to 140,864.52, 194,392.26 and 77,200.14 is: 106,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,864.52 : 194,392.26 = 77,200.14 : x
  2. Step 2: Convert to fraction form
    140,864.52/194,392.26 = 77,200.14/x
  3. Step 3: Cross multiply
    140,864.52x = 194,392.26 × 77,200.14
  4. Step 4: Simplify right side
    140,864.52x = 15,007,109,686.92
  5. Step 5: Solve for x
    x = 15,007,109,686.92/140,864.52
  6. Step 6: Final answer
    x = 106,535.77

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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.