Home / 106,753.25-147,319.73-64,313.57

Finding the Fourth Proportional to 106,753.25, 147,319.73 and 64,313.57

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Solution

The fourth proportional to 106,753.25, 147,319.73 and 64,313.57 is: 88,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,753.25 : 147,319.73 = 64,313.57 : x
  2. Step 2: Convert to fraction form
    106,753.25/147,319.73 = 64,313.57/x
  3. Step 3: Cross multiply
    106,753.25x = 147,319.73 × 64,313.57
  4. Step 4: Simplify right side
    106,753.25x = 9,474,657,446.17
  5. Step 5: Solve for x
    x = 9,474,657,446.17/106,753.25
  6. Step 6: Final answer
    x = 88,752.87

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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.