Home / 236,366.06-326,187.50-128,938.32

Finding the Fourth Proportional to 236,366.06, 326,187.50 and 128,938.32

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Solution

The fourth proportional to 236,366.06, 326,187.50 and 128,938.32 is: 177,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,366.06 : 326,187.50 = 128,938.32 : x
  2. Step 2: Convert to fraction form
    236,366.06/326,187.50 = 128,938.32/x
  3. Step 3: Cross multiply
    236,366.06x = 326,187.50 × 128,938.32
  4. Step 4: Simplify right side
    236,366.06x = 42,058,067,610.31
  5. Step 5: Solve for x
    x = 42,058,067,610.31/236,366.06
  6. Step 6: Final answer
    x = 177,936.16

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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.