Home / 148,630.06-205,279.84-97,869.70

Finding the Fourth Proportional to 148,630.06, 205,279.84 and 97,869.70

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Solution

The fourth proportional to 148,630.06, 205,279.84 and 97,869.70 is: 135,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,630.06 : 205,279.84 = 97,869.70 : x
  2. Step 2: Convert to fraction form
    148,630.06/205,279.84 = 97,869.70/x
  3. Step 3: Cross multiply
    148,630.06x = 205,279.84 × 97,869.70
  4. Step 4: Simplify right side
    148,630.06x = 20,090,676,356.85
  5. Step 5: Solve for x
    x = 20,090,676,356.85/148,630.06
  6. Step 6: Final answer
    x = 135,172.36

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1.5x scale

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.