Home / 106,905.32-147,519.33-63,876.25

Finding the Fourth Proportional to 106,905.32, 147,519.33 and 63,876.25

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Solution

The fourth proportional to 106,905.32, 147,519.33 and 63,876.25 is: 88,143.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,905.32 : 147,519.33 = 63,876.25 : x
  2. Step 2: Convert to fraction form
    106,905.32/147,519.33 = 63,876.25/x
  3. Step 3: Cross multiply
    106,905.32x = 147,519.33 × 63,876.25
  4. Step 4: Simplify right side
    106,905.32x = 9,422,981,602.91
  5. Step 5: Solve for x
    x = 9,422,981,602.91/106,905.32
  6. Step 6: Final answer
    x = 88,143.24

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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.