Home / 107,356.12-148,124.72-64,342.44

Finding the Fourth Proportional to 107,356.12, 148,124.72 and 64,342.44

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Solution

The fourth proportional to 107,356.12, 148,124.72 and 64,342.44 is: 88,776.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,356.12 : 148,124.72 = 64,342.44 : x
  2. Step 2: Convert to fraction form
    107,356.12/148,124.72 = 64,342.44/x
  3. Step 3: Cross multiply
    107,356.12x = 148,124.72 × 64,342.44
  4. Step 4: Simplify right side
    107,356.12x = 9,530,705,909.12
  5. Step 5: Solve for x
    x = 9,530,705,909.12/107,356.12
  6. Step 6: Final answer
    x = 88,776.55

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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.