Home / 130,410.10-196,620.85-129,600.48

Finding the Fourth Proportional to 130,410.10, 196,620.85 and 129,600.48

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Solution

The fourth proportional to 130,410.10, 196,620.85 and 129,600.48 is: 195,400.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,410.10 : 196,620.85 = 129,600.48 : x
  2. Step 2: Convert to fraction form
    130,410.10/196,620.85 = 129,600.48/x
  3. Step 3: Cross multiply
    130,410.10x = 196,620.85 × 129,600.48
  4. Step 4: Simplify right side
    130,410.10x = 25,482,156,708.33
  5. Step 5: Solve for x
    x = 25,482,156,708.33/130,410.10
  6. Step 6: Final answer
    x = 195,400.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.