Home / 151,916.45-209,632.59-88,258.41

Finding the Fourth Proportional to 151,916.45, 209,632.59 and 88,258.41

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Solution

The fourth proportional to 151,916.45, 209,632.59 and 88,258.41 is: 121,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,916.45 : 209,632.59 = 88,258.41 : x
  2. Step 2: Convert to fraction form
    151,916.45/209,632.59 = 88,258.41/x
  3. Step 3: Cross multiply
    151,916.45x = 209,632.59 × 88,258.41
  4. Step 4: Simplify right side
    151,916.45x = 18,501,839,077.58
  5. Step 5: Solve for x
    x = 18,501,839,077.58/151,916.45
  6. Step 6: Final answer
    x = 121,789.57

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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.