Home / 202,216.21-303,325.53-89,870.02

Finding the Fourth Proportional to 202,216.21, 303,325.53 and 89,870.02

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Solution

The fourth proportional to 202,216.21, 303,325.53 and 89,870.02 is: 134,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,216.21 : 303,325.53 = 89,870.02 : x
  2. Step 2: Convert to fraction form
    202,216.21/303,325.53 = 89,870.02/x
  3. Step 3: Cross multiply
    202,216.21x = 303,325.53 × 89,870.02
  4. Step 4: Simplify right side
    202,216.21x = 27,259,871,447.61
  5. Step 5: Solve for x
    x = 27,259,871,447.61/202,216.21
  6. Step 6: Final answer
    x = 134,805.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.