Home / 147,250.08-203,140.44-99,486

Finding the Fourth Proportional to 147,250.08, 203,140.44 and 99,486

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Solution

The fourth proportional to 147,250.08, 203,140.44 and 99,486 is: 137,246.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,250.08 : 203,140.44 = 99,486 : x
  2. Step 2: Convert to fraction form
    147,250.08/203,140.44 = 99,486/x
  3. Step 3: Cross multiply
    147,250.08x = 203,140.44 × 99,486
  4. Step 4: Simplify right side
    147,250.08x = 20,209,629,813.84
  5. Step 5: Solve for x
    x = 20,209,629,813.84/147,250.08
  6. Step 6: Final answer
    x = 137,246.99

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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.