Home / 127,864.40-191,566.20-104,363.60

Finding the Fourth Proportional to 127,864.40, 191,566.20 and 104,363.60

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Solution

The fourth proportional to 127,864.40, 191,566.20 and 104,363.60 is: 156,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,864.40 : 191,566.20 = 104,363.60 : x
  2. Step 2: Convert to fraction form
    127,864.40/191,566.20 = 104,363.60/x
  3. Step 3: Cross multiply
    127,864.40x = 191,566.20 × 104,363.60
  4. Step 4: Simplify right side
    127,864.40x = 19,992,538,270.32
  5. Step 5: Solve for x
    x = 19,992,538,270.32/127,864.40
  6. Step 6: Final answer
    x = 156,357.35

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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.