Home / 217,738.85-326,428.45-96,072.76

Finding the Fourth Proportional to 217,738.85, 326,428.45 and 96,072.76

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Solution

The fourth proportional to 217,738.85, 326,428.45 and 96,072.76 is: 144,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,738.85 : 326,428.45 = 96,072.76 : x
  2. Step 2: Convert to fraction form
    217,738.85/326,428.45 = 96,072.76/x
  3. Step 3: Cross multiply
    217,738.85x = 326,428.45 × 96,072.76
  4. Step 4: Simplify right side
    217,738.85x = 31,360,881,077.77
  5. Step 5: Solve for x
    x = 31,360,881,077.77/217,738.85
  6. Step 6: Final answer
    x = 144,029.79

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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.