Home / 107,653.85-148,408.35-75,723.65

Finding the Fourth Proportional to 107,653.85, 148,408.35 and 75,723.65

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Solution

The fourth proportional to 107,653.85, 148,408.35 and 75,723.65 is: 104,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,653.85 : 148,408.35 = 75,723.65 : x
  2. Step 2: Convert to fraction form
    107,653.85/148,408.35 = 75,723.65/x
  3. Step 3: Cross multiply
    107,653.85x = 148,408.35 × 75,723.65
  4. Step 4: Simplify right side
    107,653.85x = 11,238,022,323.50
  5. Step 5: Solve for x
    x = 11,238,022,323.50/107,653.85
  6. Step 6: Final answer
    x = 104,390.34

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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.