Home / 231,009.60-346,549.28-97,890.40

Finding the Fourth Proportional to 231,009.60, 346,549.28 and 97,890.40

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Solution

The fourth proportional to 231,009.60, 346,549.28 and 97,890.40 is: 146,850.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,009.60 : 346,549.28 = 97,890.40 : x
  2. Step 2: Convert to fraction form
    231,009.60/346,549.28 = 97,890.40/x
  3. Step 3: Cross multiply
    231,009.60x = 346,549.28 × 97,890.40
  4. Step 4: Simplify right side
    231,009.60x = 33,923,847,638.91
  5. Step 5: Solve for x
    x = 33,923,847,638.91/231,009.60
  6. Step 6: Final answer
    x = 146,850.38

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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.