Home / 192,140.13-288,209.57-51,898.80

Finding the Fourth Proportional to 192,140.13, 288,209.57 and 51,898.80

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Solution

The fourth proportional to 192,140.13, 288,209.57 and 51,898.80 is: 77,848.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,140.13 : 288,209.57 = 51,898.80 : x
  2. Step 2: Convert to fraction form
    192,140.13/288,209.57 = 51,898.80/x
  3. Step 3: Cross multiply
    192,140.13x = 288,209.57 × 51,898.80
  4. Step 4: Simplify right side
    192,140.13x = 14,957,730,572.02
  5. Step 5: Solve for x
    x = 14,957,730,572.02/192,140.13
  6. Step 6: Final answer
    x = 77,848.03

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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.