Home / 231,013.30-346,649.55-97,870.90

Finding the Fourth Proportional to 231,013.30, 346,649.55 and 97,870.90

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Solution

The fourth proportional to 231,013.30, 346,649.55 and 97,870.90 is: 146,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,013.30 : 346,649.55 = 97,870.90 : x
  2. Step 2: Convert to fraction form
    231,013.30/346,649.55 = 97,870.90/x
  3. Step 3: Cross multiply
    231,013.30x = 346,649.55 × 97,870.90
  4. Step 4: Simplify right side
    231,013.30x = 33,926,903,443.10
  5. Step 5: Solve for x
    x = 33,926,903,443.10/231,013.30
  6. Step 6: Final answer
    x = 146,861.26

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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.