Home / 283,554.79-391,362.20-162,777.67

Finding the Fourth Proportional to 283,554.79, 391,362.20 and 162,777.67

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Solution

The fourth proportional to 283,554.79, 391,362.20 and 162,777.67 is: 224,665.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,554.79 : 391,362.20 = 162,777.67 : x
  2. Step 2: Convert to fraction form
    283,554.79/391,362.20 = 162,777.67/x
  3. Step 3: Cross multiply
    283,554.79x = 391,362.20 × 162,777.67
  4. Step 4: Simplify right side
    283,554.79x = 63,705,027,042.07
  5. Step 5: Solve for x
    x = 63,705,027,042.07/283,554.79
  6. Step 6: Final answer
    x = 224,665.67

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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.