Home / 127,536.40-191,304.60-107,853.40

Finding the Fourth Proportional to 127,536.40, 191,304.60 and 107,853.40

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Solution

The fourth proportional to 127,536.40, 191,304.60 and 107,853.40 is: 161,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,536.40 : 191,304.60 = 107,853.40 : x
  2. Step 2: Convert to fraction form
    127,536.40/191,304.60 = 107,853.40/x
  3. Step 3: Cross multiply
    127,536.40x = 191,304.60 × 107,853.40
  4. Step 4: Simplify right side
    127,536.40x = 20,632,851,545.64
  5. Step 5: Solve for x
    x = 20,632,851,545.64/127,536.40
  6. Step 6: Final answer
    x = 161,780.10

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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.