Home / 147,258.31-203,211.12-89,993.44

Finding the Fourth Proportional to 147,258.31, 203,211.12 and 89,993.44

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Solution

The fourth proportional to 147,258.31, 203,211.12 and 89,993.44 is: 124,187.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,258.31 : 203,211.12 = 89,993.44 : x
  2. Step 2: Convert to fraction form
    147,258.31/203,211.12 = 89,993.44/x
  3. Step 3: Cross multiply
    147,258.31x = 203,211.12 × 89,993.44
  4. Step 4: Simplify right side
    147,258.31x = 18,287,666,719.00
  5. Step 5: Solve for x
    x = 18,287,666,719.00/147,258.31
  6. Step 6: Final answer
    x = 124,187.68

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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.