Home / 146,465.07-202,112.24-81,923.12

Finding the Fourth Proportional to 146,465.07, 202,112.24 and 81,923.12

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Solution

The fourth proportional to 146,465.07, 202,112.24 and 81,923.12 is: 113,048.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,465.07 : 202,112.24 = 81,923.12 : x
  2. Step 2: Convert to fraction form
    146,465.07/202,112.24 = 81,923.12/x
  3. Step 3: Cross multiply
    146,465.07x = 202,112.24 × 81,923.12
  4. Step 4: Simplify right side
    146,465.07x = 16,557,663,870.81
  5. Step 5: Solve for x
    x = 16,557,663,870.81/146,465.07
  6. Step 6: Final answer
    x = 113,048.55

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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.