Home / 170,925.14-255,889.56-99,629.76

Finding the Fourth Proportional to 170,925.14, 255,889.56 and 99,629.76

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Solution

The fourth proportional to 170,925.14, 255,889.56 and 99,629.76 is: 149,154.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,925.14 : 255,889.56 = 99,629.76 : x
  2. Step 2: Convert to fraction form
    170,925.14/255,889.56 = 99,629.76/x
  3. Step 3: Cross multiply
    170,925.14x = 255,889.56 × 99,629.76
  4. Step 4: Simplify right side
    170,925.14x = 25,494,215,449.31
  5. Step 5: Solve for x
    x = 25,494,215,449.31/170,925.14
  6. Step 6: Final answer
    x = 149,154.28

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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.