Home / 127,118.92-190,679.73-38,373.16

Finding the Fourth Proportional to 127,118.92, 190,679.73 and 38,373.16

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Solution

The fourth proportional to 127,118.92, 190,679.73 and 38,373.16 is: 57,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,118.92 : 190,679.73 = 38,373.16 : x
  2. Step 2: Convert to fraction form
    127,118.92/190,679.73 = 38,373.16/x
  3. Step 3: Cross multiply
    127,118.92x = 190,679.73 × 38,373.16
  4. Step 4: Simplify right side
    127,118.92x = 7,316,983,788.05
  5. Step 5: Solve for x
    x = 7,316,983,788.05/127,118.92
  6. Step 6: Final answer
    x = 57,560.15

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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.