Home / 111,926.58-154,464.39-63,531.93

Finding the Fourth Proportional to 111,926.58, 154,464.39 and 63,531.93

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Solution

The fourth proportional to 111,926.58, 154,464.39 and 63,531.93 is: 87,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,926.58 : 154,464.39 = 63,531.93 : x
  2. Step 2: Convert to fraction form
    111,926.58/154,464.39 = 63,531.93/x
  3. Step 3: Cross multiply
    111,926.58x = 154,464.39 × 63,531.93
  4. Step 4: Simplify right side
    111,926.58x = 9,813,420,812.97
  5. Step 5: Solve for x
    x = 9,813,420,812.97/111,926.58
  6. Step 6: Final answer
    x = 87,677.30

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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.