Home / 191,103.45-263,725.71-105,066.16

Finding the Fourth Proportional to 191,103.45, 263,725.71 and 105,066.16

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Solution

The fourth proportional to 191,103.45, 263,725.71 and 105,066.16 is: 144,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,103.45 : 263,725.71 = 105,066.16 : x
  2. Step 2: Convert to fraction form
    191,103.45/263,725.71 = 105,066.16/x
  3. Step 3: Cross multiply
    191,103.45x = 263,725.71 × 105,066.16
  4. Step 4: Simplify right side
    191,103.45x = 27,708,647,642.97
  5. Step 5: Solve for x
    x = 27,708,647,642.97/191,103.45
  6. Step 6: Final answer
    x = 144,992.92

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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.