Home / 148,036.41-204,274.31-87,609.60

Finding the Fourth Proportional to 148,036.41, 204,274.31 and 87,609.60

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Solution

The fourth proportional to 148,036.41, 204,274.31 and 87,609.60 is: 120,891.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,036.41 : 204,274.31 = 87,609.60 : x
  2. Step 2: Convert to fraction form
    148,036.41/204,274.31 = 87,609.60/x
  3. Step 3: Cross multiply
    148,036.41x = 204,274.31 × 87,609.60
  4. Step 4: Simplify right side
    148,036.41x = 17,896,390,151.33
  5. Step 5: Solve for x
    x = 17,896,390,151.33/148,036.41
  6. Step 6: Final answer
    x = 120,891.81

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1.5x scale

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.