Home / 236,916.56-326,944.25-129,487.33

Finding the Fourth Proportional to 236,916.56, 326,944.25 and 129,487.33

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Solution

The fourth proportional to 236,916.56, 326,944.25 and 129,487.33 is: 178,692.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,916.56 : 326,944.25 = 129,487.33 : x
  2. Step 2: Convert to fraction form
    236,916.56/326,944.25 = 129,487.33/x
  3. Step 3: Cross multiply
    236,916.56x = 326,944.25 × 129,487.33
  4. Step 4: Simplify right side
    236,916.56x = 42,335,136,399.11
  5. Step 5: Solve for x
    x = 42,335,136,399.11/236,916.56
  6. Step 6: Final answer
    x = 178,692.18

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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.