Home / 127,328.60-190,774.20-60,625.10

Finding the Fourth Proportional to 127,328.60, 190,774.20 and 60,625.10

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Solution

The fourth proportional to 127,328.60, 190,774.20 and 60,625.10 is: 90,833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,328.60 : 190,774.20 = 60,625.10 : x
  2. Step 2: Convert to fraction form
    127,328.60/190,774.20 = 60,625.10/x
  3. Step 3: Cross multiply
    127,328.60x = 190,774.20 × 60,625.10
  4. Step 4: Simplify right side
    127,328.60x = 11,565,704,952.42
  5. Step 5: Solve for x
    x = 11,565,704,952.42/127,328.60
  6. Step 6: Final answer
    x = 90,833.52

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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.