Home / 157,634.41-217,473-97,100.08

Finding the Fourth Proportional to 157,634.41, 217,473 and 97,100.08

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Solution

The fourth proportional to 157,634.41, 217,473 and 97,100.08 is: 133,959.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,634.41 : 217,473 = 97,100.08 : x
  2. Step 2: Convert to fraction form
    157,634.41/217,473 = 97,100.08/x
  3. Step 3: Cross multiply
    157,634.41x = 217,473 × 97,100.08
  4. Step 4: Simplify right side
    157,634.41x = 21,116,645,697.84
  5. Step 5: Solve for x
    x = 21,116,645,697.84/157,634.41
  6. Step 6: Final answer
    x = 133,959.62

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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.