Home / 147,009.36-202,868.10-82,474.68

Finding the Fourth Proportional to 147,009.36, 202,868.10 and 82,474.68

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Solution

The fourth proportional to 147,009.36, 202,868.10 and 82,474.68 is: 113,812.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,009.36 : 202,868.10 = 82,474.68 : x
  2. Step 2: Convert to fraction form
    147,009.36/202,868.10 = 82,474.68/x
  3. Step 3: Cross multiply
    147,009.36x = 202,868.10 × 82,474.68
  4. Step 4: Simplify right side
    147,009.36x = 16,731,481,629.71
  5. Step 5: Solve for x
    x = 16,731,481,629.71/147,009.36
  6. Step 6: Final answer
    x = 113,812.36

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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.