Home / 211,231.09-291,497.70-114,436.83

Finding the Fourth Proportional to 211,231.09, 291,497.70 and 114,436.83

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Solution

The fourth proportional to 211,231.09, 291,497.70 and 114,436.83 is: 157,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,231.09 : 291,497.70 = 114,436.83 : x
  2. Step 2: Convert to fraction form
    211,231.09/291,497.70 = 114,436.83/x
  3. Step 3: Cross multiply
    211,231.09x = 291,497.70 × 114,436.83
  4. Step 4: Simplify right side
    211,231.09x = 33,358,072,740.29
  5. Step 5: Solve for x
    x = 33,358,072,740.29/211,231.09
  6. Step 6: Final answer
    x = 157,922.17

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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.