Home / 196,417.51-271,088.78-115,864.83

Finding the Fourth Proportional to 196,417.51, 271,088.78 and 115,864.83

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Solution

The fourth proportional to 196,417.51, 271,088.78 and 115,864.83 is: 159,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,417.51 : 271,088.78 = 115,864.83 : x
  2. Step 2: Convert to fraction form
    196,417.51/271,088.78 = 115,864.83/x
  3. Step 3: Cross multiply
    196,417.51x = 271,088.78 × 115,864.83
  4. Step 4: Simplify right side
    196,417.51x = 31,409,654,830.28
  5. Step 5: Solve for x
    x = 31,409,654,830.28/196,417.51
  6. Step 6: Final answer
    x = 159,912.70

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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.