Home / 127,607.50-191,426.88-43,381.54

Finding the Fourth Proportional to 127,607.50, 191,426.88 and 43,381.54

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Solution

The fourth proportional to 127,607.50, 191,426.88 and 43,381.54 is: 65,077.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,607.50 : 191,426.88 = 43,381.54 : x
  2. Step 2: Convert to fraction form
    127,607.50/191,426.88 = 43,381.54/x
  3. Step 3: Cross multiply
    127,607.50x = 191,426.88 × 43,381.54
  4. Step 4: Simplify right side
    127,607.50x = 8,304,392,851.80
  5. Step 5: Solve for x
    x = 8,304,392,851.80/127,607.50
  6. Step 6: Final answer
    x = 65,077.62

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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.