Home / 133,043.40-199,565.10-122,983.20

Finding the Fourth Proportional to 133,043.40, 199,565.10 and 122,983.20

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Solution

The fourth proportional to 133,043.40, 199,565.10 and 122,983.20 is: 184,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,043.40 : 199,565.10 = 122,983.20 : x
  2. Step 2: Convert to fraction form
    133,043.40/199,565.10 = 122,983.20/x
  3. Step 3: Cross multiply
    133,043.40x = 199,565.10 × 122,983.20
  4. Step 4: Simplify right side
    133,043.40x = 24,543,154,606.32
  5. Step 5: Solve for x
    x = 24,543,154,606.32/133,043.40
  6. Step 6: Final answer
    x = 184,474.80

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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.