Home / 130,363.20-195,458.40-47,246.40

Finding the Fourth Proportional to 130,363.20, 195,458.40 and 47,246.40

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Solution

The fourth proportional to 130,363.20, 195,458.40 and 47,246.40 is: 70,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,363.20 : 195,458.40 = 47,246.40 : x
  2. Step 2: Convert to fraction form
    130,363.20/195,458.40 = 47,246.40/x
  3. Step 3: Cross multiply
    130,363.20x = 195,458.40 × 47,246.40
  4. Step 4: Simplify right side
    130,363.20x = 9,234,705,749.76
  5. Step 5: Solve for x
    x = 9,234,705,749.76/130,363.20
  6. Step 6: Final answer
    x = 70,838.29

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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.