Home / 102,581.10-153,871.65-88,757.10

Finding the Fourth Proportional to 102,581.10, 153,871.65 and 88,757.10

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Solution

The fourth proportional to 102,581.10, 153,871.65 and 88,757.10 is: 133,135.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,581.10 : 153,871.65 = 88,757.10 : x
  2. Step 2: Convert to fraction form
    102,581.10/153,871.65 = 88,757.10/x
  3. Step 3: Cross multiply
    102,581.10x = 153,871.65 × 88,757.10
  4. Step 4: Simplify right side
    102,581.10x = 13,657,201,426.22
  5. Step 5: Solve for x
    x = 13,657,201,426.22/102,581.10
  6. Step 6: Final answer
    x = 133,135.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.