Home / 148,647.42-205,161.75-88,251.18

Finding the Fourth Proportional to 148,647.42, 205,161.75 and 88,251.18

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Solution

The fourth proportional to 148,647.42, 205,161.75 and 88,251.18 is: 121,803.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,647.42 : 205,161.75 = 88,251.18 : x
  2. Step 2: Convert to fraction form
    148,647.42/205,161.75 = 88,251.18/x
  3. Step 3: Cross multiply
    148,647.42x = 205,161.75 × 88,251.18
  4. Step 4: Simplify right side
    148,647.42x = 18,105,766,528.37
  5. Step 5: Solve for x
    x = 18,105,766,528.37/148,647.42
  6. Step 6: Final answer
    x = 121,803.44

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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.