Home / 147,424.82-203,446.31-83,762.70

Finding the Fourth Proportional to 147,424.82, 203,446.31 and 83,762.70

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Solution

The fourth proportional to 147,424.82, 203,446.31 and 83,762.70 is: 115,592.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,424.82 : 203,446.31 = 83,762.70 : x
  2. Step 2: Convert to fraction form
    147,424.82/203,446.31 = 83,762.70/x
  3. Step 3: Cross multiply
    147,424.82x = 203,446.31 × 83,762.70
  4. Step 4: Simplify right side
    147,424.82x = 17,041,212,230.64
  5. Step 5: Solve for x
    x = 17,041,212,230.64/147,424.82
  6. Step 6: Final answer
    x = 115,592.56

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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.