Home / 236,912.23-326,938.09-129,482.23

Finding the Fourth Proportional to 236,912.23, 326,938.09 and 129,482.23

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Solution

The fourth proportional to 236,912.23, 326,938.09 and 129,482.23 is: 178,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,912.23 : 326,938.09 = 129,482.23 : x
  2. Step 2: Convert to fraction form
    236,912.23/326,938.09 = 129,482.23/x
  3. Step 3: Cross multiply
    236,912.23x = 326,938.09 × 129,482.23
  4. Step 4: Simplify right side
    236,912.23x = 42,332,672,965.14
  5. Step 5: Solve for x
    x = 42,332,672,965.14/236,912.23
  6. Step 6: Final answer
    x = 178,685.05

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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.