Home / 209,515.60-288,401.28-182,611.36

Finding the Fourth Proportional to 209,515.60, 288,401.28 and 182,611.36

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Solution

The fourth proportional to 209,515.60, 288,401.28 and 182,611.36 is: 251,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,515.60 : 288,401.28 = 182,611.36 : x
  2. Step 2: Convert to fraction form
    209,515.60/288,401.28 = 182,611.36/x
  3. Step 3: Cross multiply
    209,515.60x = 288,401.28 × 182,611.36
  4. Step 4: Simplify right side
    209,515.60x = 52,665,349,966.54
  5. Step 5: Solve for x
    x = 52,665,349,966.54/209,515.60
  6. Step 6: Final answer
    x = 251,367.20

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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.