Home / 110,927.80-166,278.30-54,681.40

Finding the Fourth Proportional to 110,927.80, 166,278.30 and 54,681.40

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Solution

The fourth proportional to 110,927.80, 166,278.30 and 54,681.40 is: 81,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,927.80 : 166,278.30 = 54,681.40 : x
  2. Step 2: Convert to fraction form
    110,927.80/166,278.30 = 54,681.40/x
  3. Step 3: Cross multiply
    110,927.80x = 166,278.30 × 54,681.40
  4. Step 4: Simplify right side
    110,927.80x = 9,092,330,233.62
  5. Step 5: Solve for x
    x = 9,092,330,233.62/110,927.80
  6. Step 6: Final answer
    x = 81,966.20

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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.