Home / 134,822.30-202,276.65-90,499.10

Finding the Fourth Proportional to 134,822.30, 202,276.65 and 90,499.10

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Solution

The fourth proportional to 134,822.30, 202,276.65 and 90,499.10 is: 135,777.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,822.30 : 202,276.65 = 90,499.10 : x
  2. Step 2: Convert to fraction form
    134,822.30/202,276.65 = 90,499.10/x
  3. Step 3: Cross multiply
    134,822.30x = 202,276.65 × 90,499.10
  4. Step 4: Simplify right side
    134,822.30x = 18,305,854,776.02
  5. Step 5: Solve for x
    x = 18,305,854,776.02/134,822.30
  6. Step 6: Final answer
    x = 135,777.65

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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.