Home / 196,317.20-270,880.80-115,770.08

Finding the Fourth Proportional to 196,317.20, 270,880.80 and 115,770.08

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Solution

The fourth proportional to 196,317.20, 270,880.80 and 115,770.08 is: 159,740.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,317.20 : 270,880.80 = 115,770.08 : x
  2. Step 2: Convert to fraction form
    196,317.20/270,880.80 = 115,770.08/x
  3. Step 3: Cross multiply
    196,317.20x = 270,880.80 × 115,770.08
  4. Step 4: Simplify right side
    196,317.20x = 31,359,891,886.46
  5. Step 5: Solve for x
    x = 31,359,891,886.46/196,317.20
  6. Step 6: Final answer
    x = 159,740.93

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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.