Home / 148,571.88-205,026.66-81,502.44

Finding the Fourth Proportional to 148,571.88, 205,026.66 and 81,502.44

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Solution

The fourth proportional to 148,571.88, 205,026.66 and 81,502.44 is: 112,471.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,571.88 : 205,026.66 = 81,502.44 : x
  2. Step 2: Convert to fraction form
    148,571.88/205,026.66 = 81,502.44/x
  3. Step 3: Cross multiply
    148,571.88x = 205,026.66 × 81,502.44
  4. Step 4: Simplify right side
    148,571.88x = 16,710,173,055.05
  5. Step 5: Solve for x
    x = 16,710,173,055.05/148,571.88
  6. Step 6: Final answer
    x = 112,471.98

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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.