Home / 130,040.17-195,116.60-45,860.49

Finding the Fourth Proportional to 130,040.17, 195,116.60 and 45,860.49

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Solution

The fourth proportional to 130,040.17, 195,116.60 and 45,860.49 is: 68,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,040.17 : 195,116.60 = 45,860.49 : x
  2. Step 2: Convert to fraction form
    130,040.17/195,116.60 = 45,860.49/x
  3. Step 3: Cross multiply
    130,040.17x = 195,116.60 × 45,860.49
  4. Step 4: Simplify right side
    130,040.17x = 8,948,141,678.25
  5. Step 5: Solve for x
    x = 8,948,141,678.25/130,040.17
  6. Step 6: Final answer
    x = 68,810.60

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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.