Home / 260,934.46-391,450.86-83,393.80

Finding the Fourth Proportional to 260,934.46, 391,450.86 and 83,393.80

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Solution

The fourth proportional to 260,934.46, 391,450.86 and 83,393.80 is: 125,106.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,934.46 : 391,450.86 = 83,393.80 : x
  2. Step 2: Convert to fraction form
    260,934.46/391,450.86 = 83,393.80/x
  3. Step 3: Cross multiply
    260,934.46x = 391,450.86 × 83,393.80
  4. Step 4: Simplify right side
    260,934.46x = 32,644,574,728.67
  5. Step 5: Solve for x
    x = 32,644,574,728.67/260,934.46
  6. Step 6: Final answer
    x = 125,106.41

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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.