Home / 127,617.23-191,453.20-38,877.89

Finding the Fourth Proportional to 127,617.23, 191,453.20 and 38,877.89

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Solution

The fourth proportional to 127,617.23, 191,453.20 and 38,877.89 is: 58,325.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,617.23 : 191,453.20 = 38,877.89 : x
  2. Step 2: Convert to fraction form
    127,617.23/191,453.20 = 38,877.89/x
  3. Step 3: Cross multiply
    127,617.23x = 191,453.20 × 38,877.89
  4. Step 4: Simplify right side
    127,617.23x = 7,443,295,395.29
  5. Step 5: Solve for x
    x = 7,443,295,395.29/127,617.23
  6. Step 6: Final answer
    x = 58,325.16

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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.