Home / 131,768.04-181,840.01-71,338.73

Finding the Fourth Proportional to 131,768.04, 181,840.01 and 71,338.73

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Solution

The fourth proportional to 131,768.04, 181,840.01 and 71,338.73 is: 98,447.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,768.04 : 181,840.01 = 71,338.73 : x
  2. Step 2: Convert to fraction form
    131,768.04/181,840.01 = 71,338.73/x
  3. Step 3: Cross multiply
    131,768.04x = 181,840.01 × 71,338.73
  4. Step 4: Simplify right side
    131,768.04x = 12,972,234,712.61
  5. Step 5: Solve for x
    x = 12,972,234,712.61/131,768.04
  6. Step 6: Final answer
    x = 98,447.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.