Home / 205,000.80-307,501.20-186,301.95

Finding the Fourth Proportional to 205,000.80, 307,501.20 and 186,301.95

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Solution

The fourth proportional to 205,000.80, 307,501.20 and 186,301.95 is: 279,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,000.80 : 307,501.20 = 186,301.95 : x
  2. Step 2: Convert to fraction form
    205,000.80/307,501.20 = 186,301.95/x
  3. Step 3: Cross multiply
    205,000.80x = 307,501.20 × 186,301.95
  4. Step 4: Simplify right side
    205,000.80x = 57,288,073,187.34
  5. Step 5: Solve for x
    x = 57,288,073,187.34/205,000.80
  6. Step 6: Final answer
    x = 279,452.93

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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.