Home / 118,251.34-163,187.31-64,537.57

Finding the Fourth Proportional to 118,251.34, 163,187.31 and 64,537.57

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Solution

The fourth proportional to 118,251.34, 163,187.31 and 64,537.57 is: 89,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,251.34 : 163,187.31 = 64,537.57 : x
  2. Step 2: Convert to fraction form
    118,251.34/163,187.31 = 64,537.57/x
  3. Step 3: Cross multiply
    118,251.34x = 163,187.31 × 64,537.57
  4. Step 4: Simplify right side
    118,251.34x = 10,531,711,626.30
  5. Step 5: Solve for x
    x = 10,531,711,626.30/118,251.34
  6. Step 6: Final answer
    x = 89,062.09

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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.