Home / 157,836.51-217,808.87-94,141.35

Finding the Fourth Proportional to 157,836.51, 217,808.87 and 94,141.35

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Solution

The fourth proportional to 157,836.51, 217,808.87 and 94,141.35 is: 129,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,836.51 : 217,808.87 = 94,141.35 : x
  2. Step 2: Convert to fraction form
    157,836.51/217,808.87 = 94,141.35/x
  3. Step 3: Cross multiply
    157,836.51x = 217,808.87 × 94,141.35
  4. Step 4: Simplify right side
    157,836.51x = 20,504,820,593.07
  5. Step 5: Solve for x
    x = 20,504,820,593.07/157,836.51
  6. Step 6: Final answer
    x = 129,911.77

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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.