Home / 130,427.70-195,714.45-55,535.10

Finding the Fourth Proportional to 130,427.70, 195,714.45 and 55,535.10

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Solution

The fourth proportional to 130,427.70, 195,714.45 and 55,535.10 is: 83,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,427.70 : 195,714.45 = 55,535.10 : x
  2. Step 2: Convert to fraction form
    130,427.70/195,714.45 = 55,535.10/x
  3. Step 3: Cross multiply
    130,427.70x = 195,714.45 × 55,535.10
  4. Step 4: Simplify right side
    130,427.70x = 10,869,021,552.20
  5. Step 5: Solve for x
    x = 10,869,021,552.20/130,427.70
  6. Step 6: Final answer
    x = 83,333.69

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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.