Home / 240,711.50-361,066.90-72,231.55

Finding the Fourth Proportional to 240,711.50, 361,066.90 and 72,231.55

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Solution

The fourth proportional to 240,711.50, 361,066.90 and 72,231.55 is: 108,347.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,711.50 : 361,066.90 = 72,231.55 : x
  2. Step 2: Convert to fraction form
    240,711.50/361,066.90 = 72,231.55/x
  3. Step 3: Cross multiply
    240,711.50x = 361,066.90 × 72,231.55
  4. Step 4: Simplify right side
    240,711.50x = 26,080,421,197.61
  5. Step 5: Solve for x
    x = 26,080,421,197.61/240,711.50
  6. Step 6: Final answer
    x = 108,347.22

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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.