Home / 205,038.20-307,557.30-192,572.30

Finding the Fourth Proportional to 205,038.20, 307,557.30 and 192,572.30

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Solution

The fourth proportional to 205,038.20, 307,557.30 and 192,572.30 is: 288,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,038.20 : 307,557.30 = 192,572.30 : x
  2. Step 2: Convert to fraction form
    205,038.20/307,557.30 = 192,572.30/x
  3. Step 3: Cross multiply
    205,038.20x = 307,557.30 × 192,572.30
  4. Step 4: Simplify right side
    205,038.20x = 59,227,016,642.79
  5. Step 5: Solve for x
    x = 59,227,016,642.79/205,038.20
  6. Step 6: Final answer
    x = 288,858.45

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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.