Home / 217,440.40-326,160.60-134,496.40

Finding the Fourth Proportional to 217,440.40, 326,160.60 and 134,496.40

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Solution

The fourth proportional to 217,440.40, 326,160.60 and 134,496.40 is: 201,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,440.40 : 326,160.60 = 134,496.40 : x
  2. Step 2: Convert to fraction form
    217,440.40/326,160.60 = 134,496.40/x
  3. Step 3: Cross multiply
    217,440.40x = 326,160.60 × 134,496.40
  4. Step 4: Simplify right side
    217,440.40x = 43,867,426,521.84
  5. Step 5: Solve for x
    x = 43,867,426,521.84/217,440.40
  6. Step 6: Final answer
    x = 201,744.60

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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.