Home / 127,108.53-190,549.49-48,278.11

Finding the Fourth Proportional to 127,108.53, 190,549.49 and 48,278.11

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Solution

The fourth proportional to 127,108.53, 190,549.49 and 48,278.11 is: 72,374.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,108.53 : 190,549.49 = 48,278.11 : x
  2. Step 2: Convert to fraction form
    127,108.53/190,549.49 = 48,278.11/x
  3. Step 3: Cross multiply
    127,108.53x = 190,549.49 × 48,278.11
  4. Step 4: Simplify right side
    127,108.53x = 9,199,369,238.66
  5. Step 5: Solve for x
    x = 9,199,369,238.66/127,108.53
  6. Step 6: Final answer
    x = 72,374.13

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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.