Home / 130,159.92-195,185.80-63,580.72

Finding the Fourth Proportional to 130,159.92, 195,185.80 and 63,580.72

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Solution

The fourth proportional to 130,159.92, 195,185.80 and 63,580.72 is: 95,344.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,159.92 : 195,185.80 = 63,580.72 : x
  2. Step 2: Convert to fraction form
    130,159.92/195,185.80 = 63,580.72/x
  3. Step 3: Cross multiply
    130,159.92x = 195,185.80 × 63,580.72
  4. Step 4: Simplify right side
    130,159.92x = 12,410,053,697.78
  5. Step 5: Solve for x
    x = 12,410,053,697.78/130,159.92
  6. Step 6: Final answer
    x = 95,344.66

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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.