Home / 130,373.13-195,559.70-71,176.50

Finding the Fourth Proportional to 130,373.13, 195,559.70 and 71,176.50

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Solution

The fourth proportional to 130,373.13, 195,559.70 and 71,176.50 is: 106,764.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,373.13 : 195,559.70 = 71,176.50 : x
  2. Step 2: Convert to fraction form
    130,373.13/195,559.70 = 71,176.50/x
  3. Step 3: Cross multiply
    130,373.13x = 195,559.70 × 71,176.50
  4. Step 4: Simplify right side
    130,373.13x = 13,919,254,631.17
  5. Step 5: Solve for x
    x = 13,919,254,631.17/130,373.13
  6. Step 6: Final answer
    x = 106,764.75

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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.