Home / 261,080.98-391,545.49-101,121.23

Finding the Fourth Proportional to 261,080.98, 391,545.49 and 101,121.23

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Solution

The fourth proportional to 261,080.98, 391,545.49 and 101,121.23 is: 151,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,080.98 : 391,545.49 = 101,121.23 : x
  2. Step 2: Convert to fraction form
    261,080.98/391,545.49 = 101,121.23/x
  3. Step 3: Cross multiply
    261,080.98x = 391,545.49 × 101,121.23
  4. Step 4: Simplify right side
    261,080.98x = 39,593,562,465.42
  5. Step 5: Solve for x
    x = 39,593,562,465.42/261,080.98
  6. Step 6: Final answer
    x = 151,652.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.