Home / 131,210.10-196,815.15-104,966.10

Finding the Fourth Proportional to 131,210.10, 196,815.15 and 104,966.10

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Solution

The fourth proportional to 131,210.10, 196,815.15 and 104,966.10 is: 157,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,210.10 : 196,815.15 = 104,966.10 : x
  2. Step 2: Convert to fraction form
    131,210.10/196,815.15 = 104,966.10/x
  3. Step 3: Cross multiply
    131,210.10x = 196,815.15 × 104,966.10
  4. Step 4: Simplify right side
    131,210.10x = 20,658,918,716.42
  5. Step 5: Solve for x
    x = 20,658,918,716.42/131,210.10
  6. Step 6: Final answer
    x = 157,449.15

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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.