Home / 243,750.38-336,365.56-141,778.76

Finding the Fourth Proportional to 243,750.38, 336,365.56 and 141,778.76

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Solution

The fourth proportional to 243,750.38, 336,365.56 and 141,778.76 is: 195,648.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,750.38 : 336,365.56 = 141,778.76 : x
  2. Step 2: Convert to fraction form
    243,750.38/336,365.56 = 141,778.76/x
  3. Step 3: Cross multiply
    243,750.38x = 336,365.56 × 141,778.76
  4. Step 4: Simplify right side
    243,750.38x = 47,689,490,808.14
  5. Step 5: Solve for x
    x = 47,689,490,808.14/243,750.38
  6. Step 6: Final answer
    x = 195,648.89

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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.