Home / 127,848.80-191,701.20-48,965.60

Finding the Fourth Proportional to 127,848.80, 191,701.20 and 48,965.60

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Solution

The fourth proportional to 127,848.80, 191,701.20 and 48,965.60 is: 73,420.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,848.80 : 191,701.20 = 48,965.60 : x
  2. Step 2: Convert to fraction form
    127,848.80/191,701.20 = 48,965.60/x
  3. Step 3: Cross multiply
    127,848.80x = 191,701.20 × 48,965.60
  4. Step 4: Simplify right side
    127,848.80x = 9,386,764,278.72
  5. Step 5: Solve for x
    x = 9,386,764,278.72/127,848.80
  6. Step 6: Final answer
    x = 73,420.82

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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.