Home / 107,423.40-148,108.04-76,833.34

Finding the Fourth Proportional to 107,423.40, 148,108.04 and 76,833.34

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Solution

The fourth proportional to 107,423.40, 148,108.04 and 76,833.34 is: 105,932.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,423.40 : 148,108.04 = 76,833.34 : x
  2. Step 2: Convert to fraction form
    107,423.40/148,108.04 = 76,833.34/x
  3. Step 3: Cross multiply
    107,423.40x = 148,108.04 × 76,833.34
  4. Step 4: Simplify right side
    107,423.40x = 11,379,635,394.05
  5. Step 5: Solve for x
    x = 11,379,635,394.05/107,423.40
  6. Step 6: Final answer
    x = 105,932.56

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1.5x scale

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.