Home / 195,038.90-269,152.14-105,614.90

Finding the Fourth Proportional to 195,038.90, 269,152.14 and 105,614.90

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Solution

The fourth proportional to 195,038.90, 269,152.14 and 105,614.90 is: 145,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,038.90 : 269,152.14 = 105,614.90 : x
  2. Step 2: Convert to fraction form
    195,038.90/269,152.14 = 105,614.90/x
  3. Step 3: Cross multiply
    195,038.90x = 269,152.14 × 105,614.90
  4. Step 4: Simplify right side
    195,038.90x = 28,426,476,350.89
  5. Step 5: Solve for x
    x = 28,426,476,350.89/195,038.90
  6. Step 6: Final answer
    x = 145,747.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.