Home / 130,952.92-196,515.45-71,830.06

Finding the Fourth Proportional to 130,952.92, 196,515.45 and 71,830.06

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Solution

The fourth proportional to 130,952.92, 196,515.45 and 71,830.06 is: 107,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,952.92 : 196,515.45 = 71,830.06 : x
  2. Step 2: Convert to fraction form
    130,952.92/196,515.45 = 71,830.06/x
  3. Step 3: Cross multiply
    130,952.92x = 196,515.45 × 71,830.06
  4. Step 4: Simplify right side
    130,952.92x = 14,115,716,564.43
  5. Step 5: Solve for x
    x = 14,115,716,564.43/130,952.92
  6. Step 6: Final answer
    x = 107,792.30

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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.