Home / 231,102.72-346,714.56-97,988.40

Finding the Fourth Proportional to 231,102.72, 346,714.56 and 97,988.40

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Solution

The fourth proportional to 231,102.72, 346,714.56 and 97,988.40 is: 147,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,102.72 : 346,714.56 = 97,988.40 : x
  2. Step 2: Convert to fraction form
    231,102.72/346,714.56 = 97,988.40/x
  3. Step 3: Cross multiply
    231,102.72x = 346,714.56 × 97,988.40
  4. Step 4: Simplify right side
    231,102.72x = 33,974,004,991.10
  5. Step 5: Solve for x
    x = 33,974,004,991.10/231,102.72
  6. Step 6: Final answer
    x = 147,008.24

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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.