Home / 147,230.88-203,171.40-83,567.76

Finding the Fourth Proportional to 147,230.88, 203,171.40 and 83,567.76

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Solution

The fourth proportional to 147,230.88, 203,171.40 and 83,567.76 is: 115,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,230.88 : 203,171.40 = 83,567.76 : x
  2. Step 2: Convert to fraction form
    147,230.88/203,171.40 = 83,567.76/x
  3. Step 3: Cross multiply
    147,230.88x = 203,171.40 × 83,567.76
  4. Step 4: Simplify right side
    147,230.88x = 16,978,578,794.06
  5. Step 5: Solve for x
    x = 16,978,578,794.06/147,230.88
  6. Step 6: Final answer
    x = 115,319.41

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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.