Home / 130,645.76-195,858.88-60,575.36

Finding the Fourth Proportional to 130,645.76, 195,858.88 and 60,575.36

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Solution

The fourth proportional to 130,645.76, 195,858.88 and 60,575.36 is: 90,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,645.76 : 195,858.88 = 60,575.36 : x
  2. Step 2: Convert to fraction form
    130,645.76/195,858.88 = 60,575.36/x
  3. Step 3: Cross multiply
    130,645.76x = 195,858.88 × 60,575.36
  4. Step 4: Simplify right side
    130,645.76x = 11,864,222,165.20
  5. Step 5: Solve for x
    x = 11,864,222,165.20/130,645.76
  6. Step 6: Final answer
    x = 90,812.15

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1.5x scale

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.