Home / 192,023.10-288,034.65-125,538.30

Finding the Fourth Proportional to 192,023.10, 288,034.65 and 125,538.30

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Solution

The fourth proportional to 192,023.10, 288,034.65 and 125,538.30 is: 188,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,023.10 : 288,034.65 = 125,538.30 : x
  2. Step 2: Convert to fraction form
    192,023.10/288,034.65 = 125,538.30/x
  3. Step 3: Cross multiply
    192,023.10x = 288,034.65 × 125,538.30
  4. Step 4: Simplify right side
    192,023.10x = 36,159,380,302.10
  5. Step 5: Solve for x
    x = 36,159,380,302.10/192,023.10
  6. Step 6: Final answer
    x = 188,307.45

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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.