Home / 192,813.47-288,717.20-155,167.91

Finding the Fourth Proportional to 192,813.47, 288,717.20 and 155,167.91

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Solution

The fourth proportional to 192,813.47, 288,717.20 and 155,167.91 is: 232,347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,813.47 : 288,717.20 = 155,167.91 : x
  2. Step 2: Convert to fraction form
    192,813.47/288,717.20 = 155,167.91/x
  3. Step 3: Cross multiply
    192,813.47x = 288,717.20 × 155,167.91
  4. Step 4: Simplify right side
    192,813.47x = 44,799,643,729.21
  5. Step 5: Solve for x
    x = 44,799,643,729.21/192,813.47
  6. Step 6: Final answer
    x = 232,347.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.