Home / 150,258.48-207,359.64-86,585.52

Finding the Fourth Proportional to 150,258.48, 207,359.64 and 86,585.52

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Solution

The fourth proportional to 150,258.48, 207,359.64 and 86,585.52 is: 119,489.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,258.48 : 207,359.64 = 86,585.52 : x
  2. Step 2: Convert to fraction form
    150,258.48/207,359.64 = 86,585.52/x
  3. Step 3: Cross multiply
    150,258.48x = 207,359.64 × 86,585.52
  4. Step 4: Simplify right side
    150,258.48x = 17,954,342,256.41
  5. Step 5: Solve for x
    x = 17,954,342,256.41/150,258.48
  6. Step 6: Final answer
    x = 119,489.71

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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.