Home / 243,541.29-365,248.35-72,722.82

Finding the Fourth Proportional to 243,541.29, 365,248.35 and 72,722.82

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Solution

The fourth proportional to 243,541.29, 365,248.35 and 72,722.82 is: 109,065.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,541.29 : 365,248.35 = 72,722.82 : x
  2. Step 2: Convert to fraction form
    243,541.29/365,248.35 = 72,722.82/x
  3. Step 3: Cross multiply
    243,541.29x = 365,248.35 × 72,722.82
  4. Step 4: Simplify right side
    243,541.29x = 26,561,890,012.35
  5. Step 5: Solve for x
    x = 26,561,890,012.35/243,541.29
  6. Step 6: Final answer
    x = 109,065.24

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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.