Home / 149,033.64-205,594.15-88,561.49

Finding the Fourth Proportional to 149,033.64, 205,594.15 and 88,561.49

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Solution

The fourth proportional to 149,033.64, 205,594.15 and 88,561.49 is: 122,171.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,033.64 : 205,594.15 = 88,561.49 : x
  2. Step 2: Convert to fraction form
    149,033.64/205,594.15 = 88,561.49/x
  3. Step 3: Cross multiply
    149,033.64x = 205,594.15 × 88,561.49
  4. Step 4: Simplify right side
    149,033.64x = 18,207,724,551.87
  5. Step 5: Solve for x
    x = 18,207,724,551.87/149,033.64
  6. Step 6: Final answer
    x = 122,171.91

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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.