Home / 110,368.80-165,553.20-98,121.60

Finding the Fourth Proportional to 110,368.80, 165,553.20 and 98,121.60

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Solution

The fourth proportional to 110,368.80, 165,553.20 and 98,121.60 is: 147,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,368.80 : 165,553.20 = 98,121.60 : x
  2. Step 2: Convert to fraction form
    110,368.80/165,553.20 = 98,121.60/x
  3. Step 3: Cross multiply
    110,368.80x = 165,553.20 × 98,121.60
  4. Step 4: Simplify right side
    110,368.80x = 16,244,344,869.12
  5. Step 5: Solve for x
    x = 16,244,344,869.12/110,368.80
  6. Step 6: Final answer
    x = 147,182.40

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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.