Home / 157,913.06-217,923.16-86,297.52

Finding the Fourth Proportional to 157,913.06, 217,923.16 and 86,297.52

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Solution

The fourth proportional to 157,913.06, 217,923.16 and 86,297.52 is: 119,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,913.06 : 217,923.16 = 86,297.52 : x
  2. Step 2: Convert to fraction form
    157,913.06/217,923.16 = 86,297.52/x
  3. Step 3: Cross multiply
    157,913.06x = 217,923.16 × 86,297.52
  4. Step 4: Simplify right side
    157,913.06x = 18,806,228,258.56
  5. Step 5: Solve for x
    x = 18,806,228,258.56/157,913.06
  6. Step 6: Final answer
    x = 119,092.29

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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.