Home / 342,123.12-513,246.33-117,425.52

Finding the Fourth Proportional to 342,123.12, 513,246.33 and 117,425.52

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Solution

The fourth proportional to 342,123.12, 513,246.33 and 117,425.52 is: 176,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,123.12 : 513,246.33 = 117,425.52 : x
  2. Step 2: Convert to fraction form
    342,123.12/513,246.33 = 117,425.52/x
  3. Step 3: Cross multiply
    342,123.12x = 513,246.33 × 117,425.52
  4. Step 4: Simplify right side
    342,123.12x = 60,268,217,188.34
  5. Step 5: Solve for x
    x = 60,268,217,188.34/342,123.12
  6. Step 6: Final answer
    x = 176,159.44

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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.