Home / 347,111.64-521,149.31-178,752.33

Finding the Fourth Proportional to 347,111.64, 521,149.31 and 178,752.33

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Solution

The fourth proportional to 347,111.64, 521,149.31 and 178,752.33 is: 268,376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,111.64 : 521,149.31 = 178,752.33 : x
  2. Step 2: Convert to fraction form
    347,111.64/521,149.31 = 178,752.33/x
  3. Step 3: Cross multiply
    347,111.64x = 521,149.31 × 178,752.33
  4. Step 4: Simplify right side
    347,111.64x = 93,156,653,440.39
  5. Step 5: Solve for x
    x = 93,156,653,440.39/347,111.64
  6. Step 6: Final answer
    x = 268,376.63

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1.5x scale

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.