Home / 106,904.32-147,517.95-63,875.25

Finding the Fourth Proportional to 106,904.32, 147,517.95 and 63,875.25

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Solution

The fourth proportional to 106,904.32, 147,517.95 and 63,875.25 is: 88,141.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,904.32 : 147,517.95 = 63,875.25 : x
  2. Step 2: Convert to fraction form
    106,904.32/147,517.95 = 63,875.25/x
  3. Step 3: Cross multiply
    106,904.32x = 147,517.95 × 63,875.25
  4. Step 4: Simplify right side
    106,904.32x = 9,422,746,175.27
  5. Step 5: Solve for x
    x = 9,422,746,175.27/106,904.32
  6. Step 6: Final answer
    x = 88,141.87

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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.