Home / 348,015.10-521,988.90-111,294.22

Finding the Fourth Proportional to 348,015.10, 521,988.90 and 111,294.22

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Solution

The fourth proportional to 348,015.10, 521,988.90 and 111,294.22 is: 166,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,015.10 : 521,988.90 = 111,294.22 : x
  2. Step 2: Convert to fraction form
    348,015.10/521,988.90 = 111,294.22/x
  3. Step 3: Cross multiply
    348,015.10x = 521,988.90 × 111,294.22
  4. Step 4: Simplify right side
    348,015.10x = 58,094,347,474.16
  5. Step 5: Solve for x
    x = 58,094,347,474.16/348,015.10
  6. Step 6: Final answer
    x = 166,930.54

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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.