Home / 141,007.84-194,591.12-77,346.16

Finding the Fourth Proportional to 141,007.84, 194,591.12 and 77,346.16

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Solution

The fourth proportional to 141,007.84, 194,591.12 and 77,346.16 is: 106,737.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,007.84 : 194,591.12 = 77,346.16 : x
  2. Step 2: Convert to fraction form
    141,007.84/194,591.12 = 77,346.16/x
  3. Step 3: Cross multiply
    141,007.84x = 194,591.12 × 77,346.16
  4. Step 4: Simplify right side
    141,007.84x = 15,050,875,902.10
  5. Step 5: Solve for x
    x = 15,050,875,902.10/141,007.84
  6. Step 6: Final answer
    x = 106,737.87

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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.