Home / 147,724.14-203,859.14-87,316.57

Finding the Fourth Proportional to 147,724.14, 203,859.14 and 87,316.57

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Solution

The fourth proportional to 147,724.14, 203,859.14 and 87,316.57 is: 120,496.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,724.14 : 203,859.14 = 87,316.57 : x
  2. Step 2: Convert to fraction form
    147,724.14/203,859.14 = 87,316.57/x
  3. Step 3: Cross multiply
    147,724.14x = 203,859.14 × 87,316.57
  4. Step 4: Simplify right side
    147,724.14x = 17,800,280,867.95
  5. Step 5: Solve for x
    x = 17,800,280,867.95/147,724.14
  6. Step 6: Final answer
    x = 120,496.76

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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.