Home / 148,623.88-205,087.38-88,184.12

Finding the Fourth Proportional to 148,623.88, 205,087.38 and 88,184.12

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Solution

The fourth proportional to 148,623.88, 205,087.38 and 88,184.12 is: 121,686.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,623.88 : 205,087.38 = 88,184.12 : x
  2. Step 2: Convert to fraction form
    148,623.88/205,087.38 = 88,184.12/x
  3. Step 3: Cross multiply
    148,623.88x = 205,087.38 × 88,184.12
  4. Step 4: Simplify right side
    148,623.88x = 18,085,450,128.41
  5. Step 5: Solve for x
    x = 18,085,450,128.41/148,623.88
  6. Step 6: Final answer
    x = 121,686.03

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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.