Home / 141,437.93-195,179.28-77,775.17

Finding the Fourth Proportional to 141,437.93, 195,179.28 and 77,775.17

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Solution

The fourth proportional to 141,437.93, 195,179.28 and 77,775.17 is: 107,326.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,437.93 : 195,179.28 = 77,775.17 : x
  2. Step 2: Convert to fraction form
    141,437.93/195,179.28 = 77,775.17/x
  3. Step 3: Cross multiply
    141,437.93x = 195,179.28 × 77,775.17
  4. Step 4: Simplify right side
    141,437.93x = 15,180,100,706.58
  5. Step 5: Solve for x
    x = 15,180,100,706.58/141,437.93
  6. Step 6: Final answer
    x = 107,326.95

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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.