Home / 130,161.29-195,192.66-70,964.74

Finding the Fourth Proportional to 130,161.29, 195,192.66 and 70,964.74

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Solution

The fourth proportional to 130,161.29, 195,192.66 and 70,964.74 is: 106,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,161.29 : 195,192.66 = 70,964.74 : x
  2. Step 2: Convert to fraction form
    130,161.29/195,192.66 = 70,964.74/x
  3. Step 3: Cross multiply
    130,161.29x = 195,192.66 × 70,964.74
  4. Step 4: Simplify right side
    130,161.29x = 13,851,795,390.85
  5. Step 5: Solve for x
    x = 13,851,795,390.85/130,161.29
  6. Step 6: Final answer
    x = 106,420.24

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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.