Home / 319,839.60-441,385.50-176,608.62

Finding the Fourth Proportional to 319,839.60, 441,385.50 and 176,608.62

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Solution

The fourth proportional to 319,839.60, 441,385.50 and 176,608.62 is: 243,723.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,839.60 : 441,385.50 = 176,608.62 : x
  2. Step 2: Convert to fraction form
    319,839.60/441,385.50 = 176,608.62/x
  3. Step 3: Cross multiply
    319,839.60x = 441,385.50 × 176,608.62
  4. Step 4: Simplify right side
    319,839.60x = 77,952,484,043.01
  5. Step 5: Solve for x
    x = 77,952,484,043.01/319,839.60
  6. Step 6: Final answer
    x = 243,723.68

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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.