Home / 243,282.24-335,726.32-135,854.16

Finding the Fourth Proportional to 243,282.24, 335,726.32 and 135,854.16

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Solution

The fourth proportional to 243,282.24, 335,726.32 and 135,854.16 is: 187,476.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,282.24 : 335,726.32 = 135,854.16 : x
  2. Step 2: Convert to fraction form
    243,282.24/335,726.32 = 135,854.16/x
  3. Step 3: Cross multiply
    243,282.24x = 335,726.32 × 135,854.16
  4. Step 4: Simplify right side
    243,282.24x = 45,609,817,193.49
  5. Step 5: Solve for x
    x = 45,609,817,193.49/243,282.24
  6. Step 6: Final answer
    x = 187,476.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.