Home / 319,727.60-441,224.16-176,487.72

Finding the Fourth Proportional to 319,727.60, 441,224.16 and 176,487.72

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Solution

The fourth proportional to 319,727.60, 441,224.16 and 176,487.72 is: 243,553.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,727.60 : 441,224.16 = 176,487.72 : x
  2. Step 2: Convert to fraction form
    319,727.60/441,224.16 = 176,487.72/x
  3. Step 3: Cross multiply
    319,727.60x = 441,224.16 × 176,487.72
  4. Step 4: Simplify right side
    319,727.60x = 77,870,646,007.32
  5. Step 5: Solve for x
    x = 77,870,646,007.32/319,727.60
  6. Step 6: Final answer
    x = 243,553.09

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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.