Home / 131,766.10-197,663.55-127,618.90

Finding the Fourth Proportional to 131,766.10, 197,663.55 and 127,618.90

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Solution

The fourth proportional to 131,766.10, 197,663.55 and 127,618.90 is: 191,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,766.10 : 197,663.55 = 127,618.90 : x
  2. Step 2: Convert to fraction form
    131,766.10/197,663.55 = 127,618.90/x
  3. Step 3: Cross multiply
    131,766.10x = 197,663.55 × 127,618.90
  4. Step 4: Simplify right side
    131,766.10x = 25,225,604,821.10
  5. Step 5: Solve for x
    x = 25,225,604,821.10/131,766.10
  6. Step 6: Final answer
    x = 191,442.30

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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.