Home / 155,848.40-215,043.48-92,162.96

Finding the Fourth Proportional to 155,848.40, 215,043.48 and 92,162.96

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Solution

The fourth proportional to 155,848.40, 215,043.48 and 92,162.96 is: 127,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,848.40 : 215,043.48 = 92,162.96 : x
  2. Step 2: Convert to fraction form
    155,848.40/215,043.48 = 92,162.96/x
  3. Step 3: Cross multiply
    155,848.40x = 215,043.48 × 92,162.96
  4. Step 4: Simplify right side
    155,848.40x = 19,819,043,645.50
  5. Step 5: Solve for x
    x = 19,819,043,645.50/155,848.40
  6. Step 6: Final answer
    x = 127,168.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.