Home / 181,193.12-249,755.66-123,031.68

Finding the Fourth Proportional to 181,193.12, 249,755.66 and 123,031.68

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Solution

The fourth proportional to 181,193.12, 249,755.66 and 123,031.68 is: 169,586.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,193.12 : 249,755.66 = 123,031.68 : x
  2. Step 2: Convert to fraction form
    181,193.12/249,755.66 = 123,031.68/x
  3. Step 3: Cross multiply
    181,193.12x = 249,755.66 × 123,031.68
  4. Step 4: Simplify right side
    181,193.12x = 30,727,857,348.94
  5. Step 5: Solve for x
    x = 30,727,857,348.94/181,193.12
  6. Step 6: Final answer
    x = 169,586.23

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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.