Home / 130,003.20-195,059.48-70,881.30

Finding the Fourth Proportional to 130,003.20, 195,059.48 and 70,881.30

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Solution

The fourth proportional to 130,003.20, 195,059.48 and 70,881.30 is: 106,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,003.20 : 195,059.48 = 70,881.30 : x
  2. Step 2: Convert to fraction form
    130,003.20/195,059.48 = 70,881.30/x
  3. Step 3: Cross multiply
    130,003.20x = 195,059.48 × 70,881.30
  4. Step 4: Simplify right side
    130,003.20x = 13,826,069,165.32
  5. Step 5: Solve for x
    x = 13,826,069,165.32/130,003.20
  6. Step 6: Final answer
    x = 106,351.76

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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.