Home / 100,982.20-151,473.30-34,497.40

Finding the Fourth Proportional to 100,982.20, 151,473.30 and 34,497.40

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Solution

The fourth proportional to 100,982.20, 151,473.30 and 34,497.40 is: 51,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,982.20 : 151,473.30 = 34,497.40 : x
  2. Step 2: Convert to fraction form
    100,982.20/151,473.30 = 34,497.40/x
  3. Step 3: Cross multiply
    100,982.20x = 151,473.30 × 34,497.40
  4. Step 4: Simplify right side
    100,982.20x = 5,225,435,019.42
  5. Step 5: Solve for x
    x = 5,225,435,019.42/100,982.20
  6. Step 6: Final answer
    x = 51,746.10

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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.