Home / 159,113.47-219,521.94-98,662.36

Finding the Fourth Proportional to 159,113.47, 219,521.94 and 98,662.36

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Solution

The fourth proportional to 159,113.47, 219,521.94 and 98,662.36 is: 136,120.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,113.47 : 219,521.94 = 98,662.36 : x
  2. Step 2: Convert to fraction form
    159,113.47/219,521.94 = 98,662.36/x
  3. Step 3: Cross multiply
    159,113.47x = 219,521.94 × 98,662.36
  4. Step 4: Simplify right side
    159,113.47x = 21,658,552,672.18
  5. Step 5: Solve for x
    x = 21,658,552,672.18/159,113.47
  6. Step 6: Final answer
    x = 136,120.17

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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.