Home / 118,675.56-163,771.68-64,227.66

Finding the Fourth Proportional to 118,675.56, 163,771.68 and 64,227.66

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Solution

The fourth proportional to 118,675.56, 163,771.68 and 64,227.66 is: 88,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,675.56 : 163,771.68 = 64,227.66 : x
  2. Step 2: Convert to fraction form
    118,675.56/163,771.68 = 64,227.66/x
  3. Step 3: Cross multiply
    118,675.56x = 163,771.68 × 64,227.66
  4. Step 4: Simplify right side
    118,675.56x = 10,518,671,780.67
  5. Step 5: Solve for x
    x = 10,518,671,780.67/118,675.56
  6. Step 6: Final answer
    x = 88,633.85

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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.