Home / 118,446.72-163,456.49-67,464.20

Finding the Fourth Proportional to 118,446.72, 163,456.49 and 67,464.20

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Solution

The fourth proportional to 118,446.72, 163,456.49 and 67,464.20 is: 93,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,446.72 : 163,456.49 = 67,464.20 : x
  2. Step 2: Convert to fraction form
    118,446.72/163,456.49 = 67,464.20/x
  3. Step 3: Cross multiply
    118,446.72x = 163,456.49 × 67,464.20
  4. Step 4: Simplify right side
    118,446.72x = 11,027,460,178.05
  5. Step 5: Solve for x
    x = 11,027,460,178.05/118,446.72
  6. Step 6: Final answer
    x = 93,100.60

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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.