Home / 131,030.60-196,545.90-36,260.60

Finding the Fourth Proportional to 131,030.60, 196,545.90 and 36,260.60

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Solution

The fourth proportional to 131,030.60, 196,545.90 and 36,260.60 is: 54,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,030.60 : 196,545.90 = 36,260.60 : x
  2. Step 2: Convert to fraction form
    131,030.60/196,545.90 = 36,260.60/x
  3. Step 3: Cross multiply
    131,030.60x = 196,545.90 × 36,260.60
  4. Step 4: Simplify right side
    131,030.60x = 7,126,872,261.54
  5. Step 5: Solve for x
    x = 7,126,872,261.54/131,030.60
  6. Step 6: Final answer
    x = 54,390.90

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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.