Home / 134,780.05-185,997.77-74,353.24

Finding the Fourth Proportional to 134,780.05, 185,997.77 and 74,353.24

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Solution

The fourth proportional to 134,780.05, 185,997.77 and 74,353.24 is: 102,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,780.05 : 185,997.77 = 74,353.24 : x
  2. Step 2: Convert to fraction form
    134,780.05/185,997.77 = 74,353.24/x
  3. Step 3: Cross multiply
    134,780.05x = 185,997.77 × 74,353.24
  4. Step 4: Simplify right side
    134,780.05x = 13,829,536,832.27
  5. Step 5: Solve for x
    x = 13,829,536,832.27/134,780.05
  6. Step 6: Final answer
    x = 102,608.19

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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.