Home / 196,389.52-271,028.16-115,864.24

Finding the Fourth Proportional to 196,389.52, 271,028.16 and 115,864.24

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Solution

The fourth proportional to 196,389.52, 271,028.16 and 115,864.24 is: 159,898.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,389.52 : 271,028.16 = 115,864.24 : x
  2. Step 2: Convert to fraction form
    196,389.52/271,028.16 = 115,864.24/x
  3. Step 3: Cross multiply
    196,389.52x = 271,028.16 × 115,864.24
  4. Step 4: Simplify right side
    196,389.52x = 31,402,471,777.00
  5. Step 5: Solve for x
    x = 31,402,471,777.00/196,389.52
  6. Step 6: Final answer
    x = 159,898.92

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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.