Home / 127,644.80-191,487.46-38,877.72

Finding the Fourth Proportional to 127,644.80, 191,487.46 and 38,877.72

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Solution

The fourth proportional to 127,644.80, 191,487.46 and 38,877.72 is: 58,322.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,644.80 : 191,487.46 = 38,877.72 : x
  2. Step 2: Convert to fraction form
    127,644.80/191,487.46 = 38,877.72/x
  3. Step 3: Cross multiply
    127,644.80x = 191,487.46 × 38,877.72
  4. Step 4: Simplify right side
    127,644.80x = 7,444,595,853.39
  5. Step 5: Solve for x
    x = 7,444,595,853.39/127,644.80
  6. Step 6: Final answer
    x = 58,322.75

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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.