Home / 209,147.59-288,665.58-124,248.25

Finding the Fourth Proportional to 209,147.59, 288,665.58 and 124,248.25

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Solution

The fourth proportional to 209,147.59, 288,665.58 and 124,248.25 is: 171,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,147.59 : 288,665.58 = 124,248.25 : x
  2. Step 2: Convert to fraction form
    209,147.59/288,665.58 = 124,248.25/x
  3. Step 3: Cross multiply
    209,147.59x = 288,665.58 × 124,248.25
  4. Step 4: Simplify right side
    209,147.59x = 35,866,193,150.24
  5. Step 5: Solve for x
    x = 35,866,193,150.24/209,147.59
  6. Step 6: Final answer
    x = 171,487.48

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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.