Home / 236,143.32-325,868.31-128,711.04

Finding the Fourth Proportional to 236,143.32, 325,868.31 and 128,711.04

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Solution

The fourth proportional to 236,143.32, 325,868.31 and 128,711.04 is: 177,616.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,143.32 : 325,868.31 = 128,711.04 : x
  2. Step 2: Convert to fraction form
    236,143.32/325,868.31 = 128,711.04/x
  3. Step 3: Cross multiply
    236,143.32x = 325,868.31 × 128,711.04
  4. Step 4: Simplify right side
    236,143.32x = 41,942,849,083.14
  5. Step 5: Solve for x
    x = 41,942,849,083.14/236,143.32
  6. Step 6: Final answer
    x = 177,616.07

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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.