Home / 255,157.56-382,298.94-180,143.46

Finding the Fourth Proportional to 255,157.56, 382,298.94 and 180,143.46

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Solution

The fourth proportional to 255,157.56, 382,298.94 and 180,143.46 is: 269,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,157.56 : 382,298.94 = 180,143.46 : x
  2. Step 2: Convert to fraction form
    255,157.56/382,298.94 = 180,143.46/x
  3. Step 3: Cross multiply
    255,157.56x = 382,298.94 × 180,143.46
  4. Step 4: Simplify right side
    255,157.56x = 68,868,653,805.93
  5. Step 5: Solve for x
    x = 68,868,653,805.93/255,157.56
  6. Step 6: Final answer
    x = 269,906.38

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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.