Home / 117,586.35-162,306.18-75,144.92

Finding the Fourth Proportional to 117,586.35, 162,306.18 and 75,144.92

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Solution

The fourth proportional to 117,586.35, 162,306.18 and 75,144.92 is: 103,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,586.35 : 162,306.18 = 75,144.92 : x
  2. Step 2: Convert to fraction form
    117,586.35/162,306.18 = 75,144.92/x
  3. Step 3: Cross multiply
    117,586.35x = 162,306.18 × 75,144.92
  4. Step 4: Simplify right side
    117,586.35x = 12,196,484,100.07
  5. Step 5: Solve for x
    x = 12,196,484,100.07/117,586.35
  6. Step 6: Final answer
    x = 103,723.64

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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.