Home / 170,291.28-255,173.40-117,008.72

Finding the Fourth Proportional to 170,291.28, 255,173.40 and 117,008.72

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Solution

The fourth proportional to 170,291.28, 255,173.40 and 117,008.72 is: 175,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,291.28 : 255,173.40 = 117,008.72 : x
  2. Step 2: Convert to fraction form
    170,291.28/255,173.40 = 117,008.72/x
  3. Step 3: Cross multiply
    170,291.28x = 255,173.40 × 117,008.72
  4. Step 4: Simplify right side
    170,291.28x = 29,857,512,912.05
  5. Step 5: Solve for x
    x = 29,857,512,912.05/170,291.28
  6. Step 6: Final answer
    x = 175,332.01

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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.