Home / 118,544.30-163,775.33-99,394.38

Finding the Fourth Proportional to 118,544.30, 163,775.33 and 99,394.38

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Solution

The fourth proportional to 118,544.30, 163,775.33 and 99,394.38 is: 137,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,544.30 : 163,775.33 = 99,394.38 : x
  2. Step 2: Convert to fraction form
    118,544.30/163,775.33 = 99,394.38/x
  3. Step 3: Cross multiply
    118,544.30x = 163,775.33 × 99,394.38
  4. Step 4: Simplify right side
    118,544.30x = 16,278,347,384.65
  5. Step 5: Solve for x
    x = 16,278,347,384.65/118,544.30
  6. Step 6: Final answer
    x = 137,318.68

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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.