Home / 132,389.49-182,692.14-71,958.75

Finding the Fourth Proportional to 132,389.49, 182,692.14 and 71,958.75

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Solution

The fourth proportional to 132,389.49, 182,692.14 and 71,958.75 is: 99,300.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,389.49 : 182,692.14 = 71,958.75 : x
  2. Step 2: Convert to fraction form
    132,389.49/182,692.14 = 71,958.75/x
  3. Step 3: Cross multiply
    132,389.49x = 182,692.14 × 71,958.75
  4. Step 4: Simplify right side
    132,389.49x = 13,146,298,029.23
  5. Step 5: Solve for x
    x = 13,146,298,029.23/132,389.49
  6. Step 6: Final answer
    x = 99,300.16

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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.