Home / 155,521.24-233,280.30-71,257.49

Finding the Fourth Proportional to 155,521.24, 233,280.30 and 71,257.49

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Solution

The fourth proportional to 155,521.24, 233,280.30 and 71,257.49 is: 106,885.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,521.24 : 233,280.30 = 71,257.49 : x
  2. Step 2: Convert to fraction form
    155,521.24/233,280.30 = 71,257.49/x
  3. Step 3: Cross multiply
    155,521.24x = 233,280.30 × 71,257.49
  4. Step 4: Simplify right side
    155,521.24x = 16,622,968,644.45
  5. Step 5: Solve for x
    x = 16,622,968,644.45/155,521.24
  6. Step 6: Final answer
    x = 106,885.52

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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.