Home / 279,824.52-386,148.06-152,497.56

Finding the Fourth Proportional to 279,824.52, 386,148.06 and 152,497.56

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Solution

The fourth proportional to 279,824.52, 386,148.06 and 152,497.56 is: 210,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,824.52 : 386,148.06 = 152,497.56 : x
  2. Step 2: Convert to fraction form
    279,824.52/386,148.06 = 152,497.56/x
  3. Step 3: Cross multiply
    279,824.52x = 386,148.06 × 152,497.56
  4. Step 4: Simplify right side
    279,824.52x = 58,886,636,948.73
  5. Step 5: Solve for x
    x = 58,886,636,948.73/279,824.52
  6. Step 6: Final answer
    x = 210,441.30

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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.