Home / 192,370.07-288,555.11-52,128.69

Finding the Fourth Proportional to 192,370.07, 288,555.11 and 52,128.69

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Solution

The fourth proportional to 192,370.07, 288,555.11 and 52,128.69 is: 78,193.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,370.07 : 288,555.11 = 52,128.69 : x
  2. Step 2: Convert to fraction form
    192,370.07/288,555.11 = 52,128.69/x
  3. Step 3: Cross multiply
    192,370.07x = 288,555.11 × 52,128.69
  4. Step 4: Simplify right side
    192,370.07x = 15,041,999,616.46
  5. Step 5: Solve for x
    x = 15,041,999,616.46/192,370.07
  6. Step 6: Final answer
    x = 78,193.04

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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.