Home / 260,711.12-391,124.28-94,494.80

Finding the Fourth Proportional to 260,711.12, 391,124.28 and 94,494.80

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Solution

The fourth proportional to 260,711.12, 391,124.28 and 94,494.80 is: 141,763.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,711.12 : 391,124.28 = 94,494.80 : x
  2. Step 2: Convert to fraction form
    260,711.12/391,124.28 = 94,494.80/x
  3. Step 3: Cross multiply
    260,711.12x = 391,124.28 × 94,494.80
  4. Step 4: Simplify right side
    260,711.12x = 36,959,210,613.74
  5. Step 5: Solve for x
    x = 36,959,210,613.74/260,711.12
  6. Step 6: Final answer
    x = 141,763.08

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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.