Home / 147,473.46-203,465.25-87,023.70

Finding the Fourth Proportional to 147,473.46, 203,465.25 and 87,023.70

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Solution

The fourth proportional to 147,473.46, 203,465.25 and 87,023.70 is: 120,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,473.46 : 203,465.25 = 87,023.70 : x
  2. Step 2: Convert to fraction form
    147,473.46/203,465.25 = 87,023.70/x
  3. Step 3: Cross multiply
    147,473.46x = 203,465.25 × 87,023.70
  4. Step 4: Simplify right side
    147,473.46x = 17,706,298,876.43
  5. Step 5: Solve for x
    x = 17,706,298,876.43/147,473.46
  6. Step 6: Final answer
    x = 120,064.31

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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.