Home / 236,362.16-326,181.86-128,932.68

Finding the Fourth Proportional to 236,362.16, 326,181.86 and 128,932.68

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Solution

The fourth proportional to 236,362.16, 326,181.86 and 128,932.68 is: 177,928.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,362.16 : 326,181.86 = 128,932.68 : x
  2. Step 2: Convert to fraction form
    236,362.16/326,181.86 = 128,932.68/x
  3. Step 3: Cross multiply
    236,362.16x = 326,181.86 × 128,932.68
  4. Step 4: Simplify right side
    236,362.16x = 42,055,501,377.18
  5. Step 5: Solve for x
    x = 42,055,501,377.18/236,362.16
  6. Step 6: Final answer
    x = 177,928.23

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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.