Home / 235,345.59-324,778.91-127,915.61

Finding the Fourth Proportional to 235,345.59, 324,778.91 and 127,915.61

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Solution

The fourth proportional to 235,345.59, 324,778.91 and 127,915.61 is: 176,524.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,345.59 : 324,778.91 = 127,915.61 : x
  2. Step 2: Convert to fraction form
    235,345.59/324,778.91 = 127,915.61/x
  3. Step 3: Cross multiply
    235,345.59x = 324,778.91 × 127,915.61
  4. Step 4: Simplify right side
    235,345.59x = 41,544,290,124.31
  5. Step 5: Solve for x
    x = 41,544,290,124.31/235,345.59
  6. Step 6: Final answer
    x = 176,524.62

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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.