Home / 157,007.82-216,578.55-98,771.95

Finding the Fourth Proportional to 157,007.82, 216,578.55 and 98,771.95

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Solution

The fourth proportional to 157,007.82, 216,578.55 and 98,771.95 is: 136,247.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,007.82 : 216,578.55 = 98,771.95 : x
  2. Step 2: Convert to fraction form
    157,007.82/216,578.55 = 98,771.95/x
  3. Step 3: Cross multiply
    157,007.82x = 216,578.55 × 98,771.95
  4. Step 4: Simplify right side
    157,007.82x = 21,391,885,743.66
  5. Step 5: Solve for x
    x = 21,391,885,743.66/157,007.82
  6. Step 6: Final answer
    x = 136,247.26

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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.