Home / 154,804.11-213,638.30-116,494.75

Finding the Fourth Proportional to 154,804.11, 213,638.30 and 116,494.75

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Solution

The fourth proportional to 154,804.11, 213,638.30 and 116,494.75 is: 160,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,804.11 : 213,638.30 = 116,494.75 : x
  2. Step 2: Convert to fraction form
    154,804.11/213,638.30 = 116,494.75/x
  3. Step 3: Cross multiply
    154,804.11x = 213,638.30 × 116,494.75
  4. Step 4: Simplify right side
    154,804.11x = 24,887,740,348.93
  5. Step 5: Solve for x
    x = 24,887,740,348.93/154,804.11
  6. Step 6: Final answer
    x = 160,769.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.