Home / 130,294.10-195,186.61-89,760.46

Finding the Fourth Proportional to 130,294.10, 195,186.61 and 89,760.46

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Solution

The fourth proportional to 130,294.10, 195,186.61 and 89,760.46 is: 134,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,294.10 : 195,186.61 = 89,760.46 : x
  2. Step 2: Convert to fraction form
    130,294.10/195,186.61 = 89,760.46/x
  3. Step 3: Cross multiply
    130,294.10x = 195,186.61 × 89,760.46
  4. Step 4: Simplify right side
    130,294.10x = 17,520,039,899.44
  5. Step 5: Solve for x
    x = 17,520,039,899.44/130,294.10
  6. Step 6: Final answer
    x = 134,465.34

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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.