Home / 283,340.34-391,014.54-154,282.50

Finding the Fourth Proportional to 283,340.34, 391,014.54 and 154,282.50

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Solution

The fourth proportional to 283,340.34, 391,014.54 and 154,282.50 is: 212,912.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,340.34 : 391,014.54 = 154,282.50 : x
  2. Step 2: Convert to fraction form
    283,340.34/391,014.54 = 154,282.50/x
  3. Step 3: Cross multiply
    283,340.34x = 391,014.54 × 154,282.50
  4. Step 4: Simplify right side
    283,340.34x = 60,326,700,767.55
  5. Step 5: Solve for x
    x = 60,326,700,767.55/283,340.34
  6. Step 6: Final answer
    x = 212,912.50

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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.