Home / 127,514.40-191,271.60-113,517.60

Finding the Fourth Proportional to 127,514.40, 191,271.60 and 113,517.60

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Solution

The fourth proportional to 127,514.40, 191,271.60 and 113,517.60 is: 170,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,514.40 : 191,271.60 = 113,517.60 : x
  2. Step 2: Convert to fraction form
    127,514.40/191,271.60 = 113,517.60/x
  3. Step 3: Cross multiply
    127,514.40x = 191,271.60 × 113,517.60
  4. Step 4: Simplify right side
    127,514.40x = 21,712,692,980.16
  5. Step 5: Solve for x
    x = 21,712,692,980.16/127,514.40
  6. Step 6: Final answer
    x = 170,276.40

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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.