Home / 130,177.46-195,377.15-51,347.05

Finding the Fourth Proportional to 130,177.46, 195,377.15 and 51,347.05

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Solution

The fourth proportional to 130,177.46, 195,377.15 and 51,347.05 is: 77,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,177.46 : 195,377.15 = 51,347.05 : x
  2. Step 2: Convert to fraction form
    130,177.46/195,377.15 = 51,347.05/x
  3. Step 3: Cross multiply
    130,177.46x = 195,377.15 × 51,347.05
  4. Step 4: Simplify right side
    130,177.46x = 10,032,040,289.91
  5. Step 5: Solve for x
    x = 10,032,040,289.91/130,177.46
  6. Step 6: Final answer
    x = 77,064.34

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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.