Home / 158,824.06-219,180.74-87,204.36

Finding the Fourth Proportional to 158,824.06, 219,180.74 and 87,204.36

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Solution

The fourth proportional to 158,824.06, 219,180.74 and 87,204.36 is: 120,343.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,824.06 : 219,180.74 = 87,204.36 : x
  2. Step 2: Convert to fraction form
    158,824.06/219,180.74 = 87,204.36/x
  3. Step 3: Cross multiply
    158,824.06x = 219,180.74 × 87,204.36
  4. Step 4: Simplify right side
    158,824.06x = 19,113,516,541.93
  5. Step 5: Solve for x
    x = 19,113,516,541.93/158,824.06
  6. Step 6: Final answer
    x = 120,343.96

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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.