Home / 125,582.40-173,302.56-68,220.96

Finding the Fourth Proportional to 125,582.40, 173,302.56 and 68,220.96

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Solution

The fourth proportional to 125,582.40, 173,302.56 and 68,220.96 is: 94,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,582.40 : 173,302.56 = 68,220.96 : x
  2. Step 2: Convert to fraction form
    125,582.40/173,302.56 = 68,220.96/x
  3. Step 3: Cross multiply
    125,582.40x = 173,302.56 × 68,220.96
  4. Step 4: Simplify right side
    125,582.40x = 11,822,867,013.66
  5. Step 5: Solve for x
    x = 11,822,867,013.66/125,582.40
  6. Step 6: Final answer
    x = 94,144.30

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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.