Home / 107,387.08-148,268.30-67,118.93

Finding the Fourth Proportional to 107,387.08, 148,268.30 and 67,118.93

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Solution

The fourth proportional to 107,387.08, 148,268.30 and 67,118.93 is: 92,670.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,387.08 : 148,268.30 = 67,118.93 : x
  2. Step 2: Convert to fraction form
    107,387.08/148,268.30 = 67,118.93/x
  3. Step 3: Cross multiply
    107,387.08x = 148,268.30 × 67,118.93
  4. Step 4: Simplify right side
    107,387.08x = 9,951,609,648.92
  5. Step 5: Solve for x
    x = 9,951,609,648.92/107,387.08
  6. Step 6: Final answer
    x = 92,670.46

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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.