Home / 217,601.89-326,140.35-112,363.49

Finding the Fourth Proportional to 217,601.89, 326,140.35 and 112,363.49

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Solution

The fourth proportional to 217,601.89, 326,140.35 and 112,363.49 is: 168,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,601.89 : 326,140.35 = 112,363.49 : x
  2. Step 2: Convert to fraction form
    217,601.89/326,140.35 = 112,363.49/x
  3. Step 3: Cross multiply
    217,601.89x = 326,140.35 × 112,363.49
  4. Step 4: Simplify right side
    217,601.89x = 36,646,267,955.82
  5. Step 5: Solve for x
    x = 36,646,267,955.82/217,601.89
  6. Step 6: Final answer
    x = 168,409.70

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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.