Home / 231,342.86-319,232.32-134,547.61

Finding the Fourth Proportional to 231,342.86, 319,232.32 and 134,547.61

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Solution

The fourth proportional to 231,342.86, 319,232.32 and 134,547.61 is: 185,663.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,342.86 : 319,232.32 = 134,547.61 : x
  2. Step 2: Convert to fraction form
    231,342.86/319,232.32 = 134,547.61/x
  3. Step 3: Cross multiply
    231,342.86x = 319,232.32 × 134,547.61
  4. Step 4: Simplify right side
    231,342.86x = 42,951,945,690.76
  5. Step 5: Solve for x
    x = 42,951,945,690.76/231,342.86
  6. Step 6: Final answer
    x = 185,663.59

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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.