Home / 209,229.68-288,715.38-124,330.34

Finding the Fourth Proportional to 209,229.68, 288,715.38 and 124,330.34

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Solution

The fourth proportional to 209,229.68, 288,715.38 and 124,330.34 is: 171,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,229.68 : 288,715.38 = 124,330.34 : x
  2. Step 2: Convert to fraction form
    209,229.68/288,715.38 = 124,330.34/x
  3. Step 3: Cross multiply
    209,229.68x = 288,715.38 × 124,330.34
  4. Step 4: Simplify right side
    209,229.68x = 35,896,081,358.63
  5. Step 5: Solve for x
    x = 35,896,081,358.63/209,229.68
  6. Step 6: Final answer
    x = 171,563.05

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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.