Home / 118,370.98-163,350.18-64,654.90

Finding the Fourth Proportional to 118,370.98, 163,350.18 and 64,654.90

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Solution

The fourth proportional to 118,370.98, 163,350.18 and 64,654.90 is: 89,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,370.98 : 163,350.18 = 64,654.90 : x
  2. Step 2: Convert to fraction form
    118,370.98/163,350.18 = 64,654.90/x
  3. Step 3: Cross multiply
    118,370.98x = 163,350.18 × 64,654.90
  4. Step 4: Simplify right side
    118,370.98x = 10,561,389,552.88
  5. Step 5: Solve for x
    x = 10,561,389,552.88/118,370.98
  6. Step 6: Final answer
    x = 89,222.79

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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.