Home / 217,944.60-326,916.89-68,186.18

Finding the Fourth Proportional to 217,944.60, 326,916.89 and 68,186.18

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Solution

The fourth proportional to 217,944.60, 326,916.89 and 68,186.18 is: 102,279.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,944.60 : 326,916.89 = 68,186.18 : x
  2. Step 2: Convert to fraction form
    217,944.60/326,916.89 = 68,186.18/x
  3. Step 3: Cross multiply
    217,944.60x = 326,916.89 × 68,186.18
  4. Step 4: Simplify right side
    217,944.60x = 22,291,211,931.06
  5. Step 5: Solve for x
    x = 22,291,211,931.06/217,944.60
  6. Step 6: Final answer
    x = 102,279.26

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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.