Home / 318,365.11-439,339.17-175,116.61

Finding the Fourth Proportional to 318,365.11, 439,339.17 and 175,116.61

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Solution

The fourth proportional to 318,365.11, 439,339.17 and 175,116.61 is: 241,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,365.11 : 439,339.17 = 175,116.61 : x
  2. Step 2: Convert to fraction form
    318,365.11/439,339.17 = 175,116.61/x
  3. Step 3: Cross multiply
    318,365.11x = 439,339.17 × 175,116.61
  4. Step 4: Simplify right side
    318,365.11x = 76,935,586,090.61
  5. Step 5: Solve for x
    x = 76,935,586,090.61/318,365.11
  6. Step 6: Final answer
    x = 241,658.35

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1.5x scale

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.