Home / 194,358.72-291,438-89,087.52

Finding the Fourth Proportional to 194,358.72, 291,438 and 89,087.52

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Solution

The fourth proportional to 194,358.72, 291,438 and 89,087.52 is: 133,585.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,358.72 : 291,438 = 89,087.52 : x
  2. Step 2: Convert to fraction form
    194,358.72/291,438 = 89,087.52/x
  3. Step 3: Cross multiply
    194,358.72x = 291,438 × 89,087.52
  4. Step 4: Simplify right side
    194,358.72x = 25,963,488,653.76
  5. Step 5: Solve for x
    x = 25,963,488,653.76/194,358.72
  6. Step 6: Final answer
    x = 133,585.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.