Home / 175,087.05-262,630.58-86,513.55

Finding the Fourth Proportional to 175,087.05, 262,630.58 and 86,513.55

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Solution

The fourth proportional to 175,087.05, 262,630.58 and 86,513.55 is: 129,770.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,087.05 : 262,630.58 = 86,513.55 : x
  2. Step 2: Convert to fraction form
    175,087.05/262,630.58 = 86,513.55/x
  3. Step 3: Cross multiply
    175,087.05x = 262,630.58 × 86,513.55
  4. Step 4: Simplify right side
    175,087.05x = 22,721,103,381.79
  5. Step 5: Solve for x
    x = 22,721,103,381.79/175,087.05
  6. Step 6: Final answer
    x = 129,770.33

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.