Home / 220,265.30-303,969.89-124,769.62

Finding the Fourth Proportional to 220,265.30, 303,969.89 and 124,769.62

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Solution

The fourth proportional to 220,265.30, 303,969.89 and 124,769.62 is: 172,184.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,265.30 : 303,969.89 = 124,769.62 : x
  2. Step 2: Convert to fraction form
    220,265.30/303,969.89 = 124,769.62/x
  3. Step 3: Cross multiply
    220,265.30x = 303,969.89 × 124,769.62
  4. Step 4: Simplify right side
    220,265.30x = 37,926,207,666.74
  5. Step 5: Solve for x
    x = 37,926,207,666.74/220,265.30
  6. Step 6: Final answer
    x = 172,184.21

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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.