Home / 141,330.30-195,033.62-77,666.74

Finding the Fourth Proportional to 141,330.30, 195,033.62 and 77,666.74

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Solution

The fourth proportional to 141,330.30, 195,033.62 and 77,666.74 is: 107,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,330.30 : 195,033.62 = 77,666.74 : x
  2. Step 2: Convert to fraction form
    141,330.30/195,033.62 = 77,666.74/x
  3. Step 3: Cross multiply
    141,330.30x = 195,033.62 × 77,666.74
  4. Step 4: Simplify right side
    141,330.30x = 15,147,625,455.80
  5. Step 5: Solve for x
    x = 15,147,625,455.80/141,330.30
  6. Step 6: Final answer
    x = 107,178.90

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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.