Home / 130,041.45-195,172.92-51,211.04

Finding the Fourth Proportional to 130,041.45, 195,172.92 and 51,211.04

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Solution

The fourth proportional to 130,041.45, 195,172.92 and 51,211.04 is: 76,860.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,041.45 : 195,172.92 = 51,211.04 : x
  2. Step 2: Convert to fraction form
    130,041.45/195,172.92 = 51,211.04/x
  3. Step 3: Cross multiply
    130,041.45x = 195,172.92 × 51,211.04
  4. Step 4: Simplify right side
    130,041.45x = 9,995,007,237.17
  5. Step 5: Solve for x
    x = 9,995,007,237.17/130,041.45
  6. Step 6: Final answer
    x = 76,860.16

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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.