Home / 331,171.28-457,024.76-185,988.65

Finding the Fourth Proportional to 331,171.28, 457,024.76 and 185,988.65

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Solution

The fourth proportional to 331,171.28, 457,024.76 and 185,988.65 is: 256,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,171.28 : 457,024.76 = 185,988.65 : x
  2. Step 2: Convert to fraction form
    331,171.28/457,024.76 = 185,988.65/x
  3. Step 3: Cross multiply
    331,171.28x = 457,024.76 × 185,988.65
  4. Step 4: Simplify right side
    331,171.28x = 85,001,417,199.03
  5. Step 5: Solve for x
    x = 85,001,417,199.03/331,171.28
  6. Step 6: Final answer
    x = 256,669.05

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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.