Home / 186,282.75-256,580.49-143,179.82

Finding the Fourth Proportional to 186,282.75, 256,580.49 and 143,179.82

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Solution

The fourth proportional to 186,282.75, 256,580.49 and 143,179.82 is: 197,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,282.75 : 256,580.49 = 143,179.82 : x
  2. Step 2: Convert to fraction form
    186,282.75/256,580.49 = 143,179.82/x
  3. Step 3: Cross multiply
    186,282.75x = 256,580.49 × 143,179.82
  4. Step 4: Simplify right side
    186,282.75x = 36,737,148,373.71
  5. Step 5: Solve for x
    x = 36,737,148,373.71/186,282.75
  6. Step 6: Final answer
    x = 197,211.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.