Home / 109,165.56-163,740.96-42,593.28

Finding the Fourth Proportional to 109,165.56, 163,740.96 and 42,593.28

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Solution

The fourth proportional to 109,165.56, 163,740.96 and 42,593.28 is: 63,887.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,165.56 : 163,740.96 = 42,593.28 : x
  2. Step 2: Convert to fraction form
    109,165.56/163,740.96 = 42,593.28/x
  3. Step 3: Cross multiply
    109,165.56x = 163,740.96 × 42,593.28
  4. Step 4: Simplify right side
    109,165.56x = 6,974,264,556.75
  5. Step 5: Solve for x
    x = 6,974,264,556.75/109,165.56
  6. Step 6: Final answer
    x = 63,887.04

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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.