Home / 130,376.20-195,564.30-88,904.20

Finding the Fourth Proportional to 130,376.20, 195,564.30 and 88,904.20

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Solution

The fourth proportional to 130,376.20, 195,564.30 and 88,904.20 is: 133,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,376.20 : 195,564.30 = 88,904.20 : x
  2. Step 2: Convert to fraction form
    130,376.20/195,564.30 = 88,904.20/x
  3. Step 3: Cross multiply
    130,376.20x = 195,564.30 × 88,904.20
  4. Step 4: Simplify right side
    130,376.20x = 17,386,487,640.06
  5. Step 5: Solve for x
    x = 17,386,487,640.06/130,376.20
  6. Step 6: Final answer
    x = 133,356.30

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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.