Home / 107,280.27-160,934.53-39,803.12

Finding the Fourth Proportional to 107,280.27, 160,934.53 and 39,803.12

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Solution

The fourth proportional to 107,280.27, 160,934.53 and 39,803.12 is: 59,709.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,280.27 : 160,934.53 = 39,803.12 : x
  2. Step 2: Convert to fraction form
    107,280.27/160,934.53 = 39,803.12/x
  3. Step 3: Cross multiply
    107,280.27x = 160,934.53 × 39,803.12
  4. Step 4: Simplify right side
    107,280.27x = 6,405,696,409.73
  5. Step 5: Solve for x
    x = 6,405,696,409.73/107,280.27
  6. Step 6: Final answer
    x = 59,709.92

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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.