Home / 196,349.85-270,958.91-115,780.77

Finding the Fourth Proportional to 196,349.85, 270,958.91 and 115,780.77

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Solution

The fourth proportional to 196,349.85, 270,958.91 and 115,780.77 is: 159,775.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,349.85 : 270,958.91 = 115,780.77 : x
  2. Step 2: Convert to fraction form
    196,349.85/270,958.91 = 115,780.77/x
  3. Step 3: Cross multiply
    196,349.85x = 270,958.91 × 115,780.77
  4. Step 4: Simplify right side
    196,349.85x = 31,371,830,659.26
  5. Step 5: Solve for x
    x = 31,371,830,659.26/196,349.85
  6. Step 6: Final answer
    x = 159,775.17

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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.