Home / 232,256.19-320,437.71-135,438.11

Finding the Fourth Proportional to 232,256.19, 320,437.71 and 135,438.11

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Solution

The fourth proportional to 232,256.19, 320,437.71 and 135,438.11 is: 186,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,256.19 : 320,437.71 = 135,438.11 : x
  2. Step 2: Convert to fraction form
    232,256.19/320,437.71 = 135,438.11/x
  3. Step 3: Cross multiply
    232,256.19x = 320,437.71 × 135,438.11
  4. Step 4: Simplify right side
    232,256.19x = 43,399,476,212.94
  5. Step 5: Solve for x
    x = 43,399,476,212.94/232,256.19
  6. Step 6: Final answer
    x = 186,860.36

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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.