Home / 125,534.80-173,239.20-68,947.36

Finding the Fourth Proportional to 125,534.80, 173,239.20 and 68,947.36

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Solution

The fourth proportional to 125,534.80, 173,239.20 and 68,947.36 is: 95,148.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,534.80 : 173,239.20 = 68,947.36 : x
  2. Step 2: Convert to fraction form
    125,534.80/173,239.20 = 68,947.36/x
  3. Step 3: Cross multiply
    125,534.80x = 173,239.20 × 68,947.36
  4. Step 4: Simplify right side
    125,534.80x = 11,944,385,488.51
  5. Step 5: Solve for x
    x = 11,944,385,488.51/125,534.80
  6. Step 6: Final answer
    x = 95,148.00

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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.