Home / 131,001.80-196,502.70-116,486.60

Finding the Fourth Proportional to 131,001.80, 196,502.70 and 116,486.60

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Solution

The fourth proportional to 131,001.80, 196,502.70 and 116,486.60 is: 174,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,001.80 : 196,502.70 = 116,486.60 : x
  2. Step 2: Convert to fraction form
    131,001.80/196,502.70 = 116,486.60/x
  3. Step 3: Cross multiply
    131,001.80x = 196,502.70 × 116,486.60
  4. Step 4: Simplify right side
    131,001.80x = 22,889,931,413.82
  5. Step 5: Solve for x
    x = 22,889,931,413.82/131,001.80
  6. Step 6: Final answer
    x = 174,729.90

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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.