Home / 192,030.30-288,045.45-125,675.10

Finding the Fourth Proportional to 192,030.30, 288,045.45 and 125,675.10

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Solution

The fourth proportional to 192,030.30, 288,045.45 and 125,675.10 is: 188,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,030.30 : 288,045.45 = 125,675.10 : x
  2. Step 2: Convert to fraction form
    192,030.30/288,045.45 = 125,675.10/x
  3. Step 3: Cross multiply
    192,030.30x = 288,045.45 × 125,675.10
  4. Step 4: Simplify right side
    192,030.30x = 36,200,140,733.30
  5. Step 5: Solve for x
    x = 36,200,140,733.30/192,030.30
  6. Step 6: Final answer
    x = 188,512.65

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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.