Home / 132,028.78-182,199.80-71,599.40

Finding the Fourth Proportional to 132,028.78, 182,199.80 and 71,599.40

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Solution

The fourth proportional to 132,028.78, 182,199.80 and 71,599.40 is: 98,807.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,028.78 : 182,199.80 = 71,599.40 : x
  2. Step 2: Convert to fraction form
    132,028.78/182,199.80 = 71,599.40/x
  3. Step 3: Cross multiply
    132,028.78x = 182,199.80 × 71,599.40
  4. Step 4: Simplify right side
    132,028.78x = 13,045,396,994.62
  5. Step 5: Solve for x
    x = 13,045,396,994.62/132,028.78
  6. Step 6: Final answer
    x = 98,807.22

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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.