Home / 295,123.20-442,637.28-84,713.28

Finding the Fourth Proportional to 295,123.20, 442,637.28 and 84,713.28

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Solution

The fourth proportional to 295,123.20, 442,637.28 and 84,713.28 is: 127,056.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,123.20 : 442,637.28 = 84,713.28 : x
  2. Step 2: Convert to fraction form
    295,123.20/442,637.28 = 84,713.28/x
  3. Step 3: Cross multiply
    295,123.20x = 442,637.28 × 84,713.28
  4. Step 4: Simplify right side
    295,123.20x = 37,497,255,839.08
  5. Step 5: Solve for x
    x = 37,497,255,839.08/295,123.20
  6. Step 6: Final answer
    x = 127,056.28

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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.