Home / 106,553.95-147,097.62-66,280.68

Finding the Fourth Proportional to 106,553.95, 147,097.62 and 66,280.68

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Solution

The fourth proportional to 106,553.95, 147,097.62 and 66,280.68 is: 91,500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,553.95 : 147,097.62 = 66,280.68 : x
  2. Step 2: Convert to fraction form
    106,553.95/147,097.62 = 66,280.68/x
  3. Step 3: Cross multiply
    106,553.95x = 147,097.62 × 66,280.68
  4. Step 4: Simplify right side
    106,553.95x = 9,749,730,279.98
  5. Step 5: Solve for x
    x = 9,749,730,279.98/106,553.95
  6. Step 6: Final answer
    x = 91,500.41

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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.