Home / 141,084.87-194,699.75-77,424.95

Finding the Fourth Proportional to 141,084.87, 194,699.75 and 77,424.95

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Solution

The fourth proportional to 141,084.87, 194,699.75 and 77,424.95 is: 106,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,084.87 : 194,699.75 = 77,424.95 : x
  2. Step 2: Convert to fraction form
    141,084.87/194,699.75 = 77,424.95/x
  3. Step 3: Cross multiply
    141,084.87x = 194,699.75 × 77,424.95
  4. Step 4: Simplify right side
    141,084.87x = 15,074,617,048.14
  5. Step 5: Solve for x
    x = 15,074,617,048.14/141,084.87
  6. Step 6: Final answer
    x = 106,847.86

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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.