Home / 125,599.23-188,558.77-81,410.89

Finding the Fourth Proportional to 125,599.23, 188,558.77 and 81,410.89

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Solution

The fourth proportional to 125,599.23, 188,558.77 and 81,410.89 is: 122,220.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,599.23 : 188,558.77 = 81,410.89 : x
  2. Step 2: Convert to fraction form
    125,599.23/188,558.77 = 81,410.89/x
  3. Step 3: Cross multiply
    125,599.23x = 188,558.77 × 81,410.89
  4. Step 4: Simplify right side
    125,599.23x = 15,350,737,283.01
  5. Step 5: Solve for x
    x = 15,350,737,283.01/125,599.23
  6. Step 6: Final answer
    x = 122,220.00

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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.