Home / 132,528.90-198,857.21-65,974.89

Finding the Fourth Proportional to 132,528.90, 198,857.21 and 65,974.89

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Solution

The fourth proportional to 132,528.90, 198,857.21 and 65,974.89 is: 98,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,528.90 : 198,857.21 = 65,974.89 : x
  2. Step 2: Convert to fraction form
    132,528.90/198,857.21 = 65,974.89/x
  3. Step 3: Cross multiply
    132,528.90x = 198,857.21 × 65,974.89
  4. Step 4: Simplify right side
    132,528.90x = 13,119,583,342.41
  5. Step 5: Solve for x
    x = 13,119,583,342.41/132,528.90
  6. Step 6: Final answer
    x = 98,994.13

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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.