Home / 143,923.40-215,901.30-44,082.80

Finding the Fourth Proportional to 143,923.40, 215,901.30 and 44,082.80

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Solution

The fourth proportional to 143,923.40, 215,901.30 and 44,082.80 is: 66,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,923.40 : 215,901.30 = 44,082.80 : x
  2. Step 2: Convert to fraction form
    143,923.40/215,901.30 = 44,082.80/x
  3. Step 3: Cross multiply
    143,923.40x = 215,901.30 × 44,082.80
  4. Step 4: Simplify right side
    143,923.40x = 9,517,533,827.64
  5. Step 5: Solve for x
    x = 9,517,533,827.64/143,923.40
  6. Step 6: Final answer
    x = 66,129.16

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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.