Home / 170,824.68-235,738.08-99,209.32

Finding the Fourth Proportional to 170,824.68, 235,738.08 and 99,209.32

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Solution

The fourth proportional to 170,824.68, 235,738.08 and 99,209.32 is: 136,908.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,824.68 : 235,738.08 = 99,209.32 : x
  2. Step 2: Convert to fraction form
    170,824.68/235,738.08 = 99,209.32/x
  3. Step 3: Cross multiply
    170,824.68x = 235,738.08 × 99,209.32
  4. Step 4: Simplify right side
    170,824.68x = 23,387,414,025.56
  5. Step 5: Solve for x
    x = 23,387,414,025.56/170,824.68
  6. Step 6: Final answer
    x = 136,908.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.