Home / 124,331.88-186,499.12-99,529.60

Finding the Fourth Proportional to 124,331.88, 186,499.12 and 99,529.60

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Solution

The fourth proportional to 124,331.88, 186,499.12 and 99,529.60 is: 149,295.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,331.88 : 186,499.12 = 99,529.60 : x
  2. Step 2: Convert to fraction form
    124,331.88/186,499.12 = 99,529.60/x
  3. Step 3: Cross multiply
    124,331.88x = 186,499.12 × 99,529.60
  4. Step 4: Simplify right side
    124,331.88x = 18,562,182,813.95
  5. Step 5: Solve for x
    x = 18,562,182,813.95/124,331.88
  6. Step 6: Final answer
    x = 149,295.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.