Home / 107,905.38-148,928.66-67,653.64

Finding the Fourth Proportional to 107,905.38, 148,928.66 and 67,653.64

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Solution

The fourth proportional to 107,905.38, 148,928.66 and 67,653.64 is: 93,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,905.38 : 148,928.66 = 67,653.64 : x
  2. Step 2: Convert to fraction form
    107,905.38/148,928.66 = 67,653.64/x
  3. Step 3: Cross multiply
    107,905.38x = 148,928.66 × 67,653.64
  4. Step 4: Simplify right side
    107,905.38x = 10,075,565,611.05
  5. Step 5: Solve for x
    x = 10,075,565,611.05/107,905.38
  6. Step 6: Final answer
    x = 93,374.08

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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.