Home / 107,278.27-160,931.53-39,801.12

Finding the Fourth Proportional to 107,278.27, 160,931.53 and 39,801.12

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Solution

The fourth proportional to 107,278.27, 160,931.53 and 39,801.12 is: 59,706.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,278.27 : 160,931.53 = 39,801.12 : x
  2. Step 2: Convert to fraction form
    107,278.27/160,931.53 = 39,801.12/x
  3. Step 3: Cross multiply
    107,278.27x = 160,931.53 × 39,801.12
  4. Step 4: Simplify right side
    107,278.27x = 6,405,255,600.75
  5. Step 5: Solve for x
    x = 6,405,255,600.75/107,278.27
  6. Step 6: Final answer
    x = 59,706.92

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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.