Home / 438,575.11-658,030.94-154,295.18

Finding the Fourth Proportional to 438,575.11, 658,030.94 and 154,295.18

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Solution

The fourth proportional to 438,575.11, 658,030.94 and 154,295.18 is: 231,501.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,575.11 : 658,030.94 = 154,295.18 : x
  2. Step 2: Convert to fraction form
    438,575.11/658,030.94 = 154,295.18/x
  3. Step 3: Cross multiply
    438,575.11x = 658,030.94 × 154,295.18
  4. Step 4: Simplify right side
    438,575.11x = 101,531,001,317.46
  5. Step 5: Solve for x
    x = 101,531,001,317.46/438,575.11
  6. Step 6: Final answer
    x = 231,501.97

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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.