Home / 125,193.55-187,787.77-30,424.26

Finding the Fourth Proportional to 125,193.55, 187,787.77 and 30,424.26

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Solution

The fourth proportional to 125,193.55, 187,787.77 and 30,424.26 is: 45,635.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,193.55 : 187,787.77 = 30,424.26 : x
  2. Step 2: Convert to fraction form
    125,193.55/187,787.77 = 30,424.26/x
  3. Step 3: Cross multiply
    125,193.55x = 187,787.77 × 30,424.26
  4. Step 4: Simplify right side
    125,193.55x = 5,713,303,511.14
  5. Step 5: Solve for x
    x = 5,713,303,511.14/125,193.55
  6. Step 6: Final answer
    x = 45,635.77

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1.5x scale

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.