Home / 127,448.57-191,173.16-38,702.75

Finding the Fourth Proportional to 127,448.57, 191,173.16 and 38,702.75

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Solution

The fourth proportional to 127,448.57, 191,173.16 and 38,702.75 is: 58,054.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,448.57 : 191,173.16 = 38,702.75 : x
  2. Step 2: Convert to fraction form
    127,448.57/191,173.16 = 38,702.75/x
  3. Step 3: Cross multiply
    127,448.57x = 191,173.16 × 38,702.75
  4. Step 4: Simplify right side
    127,448.57x = 7,398,926,159.08
  5. Step 5: Solve for x
    x = 7,398,926,159.08/127,448.57
  6. Step 6: Final answer
    x = 58,054.21

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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.