Home / 127,266.40-190,925.20-44,143.20

Finding the Fourth Proportional to 127,266.40, 190,925.20 and 44,143.20

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Solution

The fourth proportional to 127,266.40, 190,925.20 and 44,143.20 is: 66,223.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,266.40 : 190,925.20 = 44,143.20 : x
  2. Step 2: Convert to fraction form
    127,266.40/190,925.20 = 44,143.20/x
  3. Step 3: Cross multiply
    127,266.40x = 190,925.20 × 44,143.20
  4. Step 4: Simplify right side
    127,266.40x = 8,428,049,288.64
  5. Step 5: Solve for x
    x = 8,428,049,288.64/127,266.40
  6. Step 6: Final answer
    x = 66,223.68

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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.