Home / 209,148.59-288,666.96-124,249.25

Finding the Fourth Proportional to 209,148.59, 288,666.96 and 124,249.25

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Solution

The fourth proportional to 209,148.59, 288,666.96 and 124,249.25 is: 171,488.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,148.59 : 288,666.96 = 124,249.25 : x
  2. Step 2: Convert to fraction form
    209,148.59/288,666.96 = 124,249.25/x
  3. Step 3: Cross multiply
    209,148.59x = 288,666.96 × 124,249.25
  4. Step 4: Simplify right side
    209,148.59x = 35,866,653,279.78
  5. Step 5: Solve for x
    x = 35,866,653,279.78/209,148.59
  6. Step 6: Final answer
    x = 171,488.86

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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.