Home / 130,312.96-195,388.80-88,633.60

Finding the Fourth Proportional to 130,312.96, 195,388.80 and 88,633.60

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Solution

The fourth proportional to 130,312.96, 195,388.80 and 88,633.60 is: 132,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,312.96 : 195,388.80 = 88,633.60 : x
  2. Step 2: Convert to fraction form
    130,312.96/195,388.80 = 88,633.60/x
  3. Step 3: Cross multiply
    130,312.96x = 195,388.80 × 88,633.60
  4. Step 4: Simplify right side
    130,312.96x = 17,318,012,743.68
  5. Step 5: Solve for x
    x = 17,318,012,743.68/130,312.96
  6. Step 6: Final answer
    x = 132,895.55

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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.