Home / 130,516.20-195,774.30-89,044.20

Finding the Fourth Proportional to 130,516.20, 195,774.30 and 89,044.20

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Solution

The fourth proportional to 130,516.20, 195,774.30 and 89,044.20 is: 133,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,516.20 : 195,774.30 = 89,044.20 : x
  2. Step 2: Convert to fraction form
    130,516.20/195,774.30 = 89,044.20/x
  3. Step 3: Cross multiply
    130,516.20x = 195,774.30 × 89,044.20
  4. Step 4: Simplify right side
    130,516.20x = 17,432,565,924.06
  5. Step 5: Solve for x
    x = 17,432,565,924.06/130,516.20
  6. Step 6: Final answer
    x = 133,566.30

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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.