Home / 243,743.13-365,622.30-66,253.91

Finding the Fourth Proportional to 243,743.13, 365,622.30 and 66,253.91

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Solution

The fourth proportional to 243,743.13, 365,622.30 and 66,253.91 is: 99,382.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,743.13 : 365,622.30 = 66,253.91 : x
  2. Step 2: Convert to fraction form
    243,743.13/365,622.30 = 66,253.91/x
  3. Step 3: Cross multiply
    243,743.13x = 365,622.30 × 66,253.91
  4. Step 4: Simplify right side
    243,743.13x = 24,223,905,130.08
  5. Step 5: Solve for x
    x = 24,223,905,130.08/243,743.13
  6. Step 6: Final answer
    x = 99,382.92

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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.