Home / 170,849.60-256,274.40-111,867.20

Finding the Fourth Proportional to 170,849.60, 256,274.40 and 111,867.20

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Solution

The fourth proportional to 170,849.60, 256,274.40 and 111,867.20 is: 167,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,849.60 : 256,274.40 = 111,867.20 : x
  2. Step 2: Convert to fraction form
    170,849.60/256,274.40 = 111,867.20/x
  3. Step 3: Cross multiply
    170,849.60x = 256,274.40 × 111,867.20
  4. Step 4: Simplify right side
    170,849.60x = 28,668,699,559.68
  5. Step 5: Solve for x
    x = 28,668,699,559.68/170,849.60
  6. Step 6: Final answer
    x = 167,800.80

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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.