Home / 217,740.32-326,483.36-84,464.84

Finding the Fourth Proportional to 217,740.32, 326,483.36 and 84,464.84

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Solution

The fourth proportional to 217,740.32, 326,483.36 and 84,464.84 is: 126,647.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,740.32 : 326,483.36 = 84,464.84 : x
  2. Step 2: Convert to fraction form
    217,740.32/326,483.36 = 84,464.84/x
  3. Step 3: Cross multiply
    217,740.32x = 326,483.36 × 84,464.84
  4. Step 4: Simplify right side
    217,740.32x = 27,576,365,475.69
  5. Step 5: Solve for x
    x = 27,576,365,475.69/217,740.32
  6. Step 6: Final answer
    x = 126,647.95

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1.5x scale

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.