Home / 196,391.52-271,030.92-115,866.24

Finding the Fourth Proportional to 196,391.52, 271,030.92 and 115,866.24

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Solution

The fourth proportional to 196,391.52, 271,030.92 and 115,866.24 is: 159,901.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,391.52 : 271,030.92 = 115,866.24 : x
  2. Step 2: Convert to fraction form
    196,391.52/271,030.92 = 115,866.24/x
  3. Step 3: Cross multiply
    196,391.52x = 271,030.92 × 115,866.24
  4. Step 4: Simplify right side
    196,391.52x = 31,403,333,624.14
  5. Step 5: Solve for x
    x = 31,403,333,624.14/196,391.52
  6. Step 6: Final answer
    x = 159,901.68

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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.