Home / 217,449.54-326,268.12-117,680.10

Finding the Fourth Proportional to 217,449.54, 326,268.12 and 117,680.10

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Solution

The fourth proportional to 217,449.54, 326,268.12 and 117,680.10 is: 176,570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,449.54 : 326,268.12 = 117,680.10 : x
  2. Step 2: Convert to fraction form
    217,449.54/326,268.12 = 117,680.10/x
  3. Step 3: Cross multiply
    217,449.54x = 326,268.12 × 117,680.10
  4. Step 4: Simplify right side
    217,449.54x = 38,395,264,988.41
  5. Step 5: Solve for x
    x = 38,395,264,988.41/217,449.54
  6. Step 6: Final answer
    x = 176,570.92

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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.