Home / 291,949.71-402,890.91-171,066.93

Finding the Fourth Proportional to 291,949.71, 402,890.91 and 171,066.93

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Solution

The fourth proportional to 291,949.71, 402,890.91 and 171,066.93 is: 236,072.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,949.71 : 402,890.91 = 171,066.93 : x
  2. Step 2: Convert to fraction form
    291,949.71/402,890.91 = 171,066.93/x
  3. Step 3: Cross multiply
    291,949.71x = 402,890.91 × 171,066.93
  4. Step 4: Simplify right side
    291,949.71x = 68,921,311,098.61
  5. Step 5: Solve for x
    x = 68,921,311,098.61/291,949.71
  6. Step 6: Final answer
    x = 236,072.55

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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.