Home / 217,740.69-326,527.05-84,603.42

Finding the Fourth Proportional to 217,740.69, 326,527.05 and 84,603.42

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Solution

The fourth proportional to 217,740.69, 326,527.05 and 84,603.42 is: 126,872.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,740.69 : 326,527.05 = 84,603.42 : x
  2. Step 2: Convert to fraction form
    217,740.69/326,527.05 = 84,603.42/x
  3. Step 3: Cross multiply
    217,740.69x = 326,527.05 × 84,603.42
  4. Step 4: Simplify right side
    217,740.69x = 27,625,305,152.51
  5. Step 5: Solve for x
    x = 27,625,305,152.51/217,740.69
  6. Step 6: Final answer
    x = 126,872.50

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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.