Home / 236,362.66-326,182.55-128,933.17

Finding the Fourth Proportional to 236,362.66, 326,182.55 and 128,933.17

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Solution

The fourth proportional to 236,362.66, 326,182.55 and 128,933.17 is: 177,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,362.66 : 326,182.55 = 128,933.17 : x
  2. Step 2: Convert to fraction form
    236,362.66/326,182.55 = 128,933.17/x
  3. Step 3: Cross multiply
    236,362.66x = 326,182.55 × 128,933.17
  4. Step 4: Simplify right side
    236,362.66x = 42,055,750,170.18
  5. Step 5: Solve for x
    x = 42,055,750,170.18/236,362.66
  6. Step 6: Final answer
    x = 177,928.91

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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.