Home / 209,057.22-288,587.28-141,166.14

Finding the Fourth Proportional to 209,057.22, 288,587.28 and 141,166.14

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Solution

The fourth proportional to 209,057.22, 288,587.28 and 141,166.14 is: 194,868.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,057.22 : 288,587.28 = 141,166.14 : x
  2. Step 2: Convert to fraction form
    209,057.22/288,587.28 = 141,166.14/x
  3. Step 3: Cross multiply
    209,057.22x = 288,587.28 × 141,166.14
  4. Step 4: Simplify right side
    209,057.22x = 40,738,752,370.70
  5. Step 5: Solve for x
    x = 40,738,752,370.70/209,057.22
  6. Step 6: Final answer
    x = 194,868.91

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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.