Home / 239,172.63-330,058.22-131,742.33

Finding the Fourth Proportional to 239,172.63, 330,058.22 and 131,742.33

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Solution

The fourth proportional to 239,172.63, 330,058.22 and 131,742.33 is: 181,804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,172.63 : 330,058.22 = 131,742.33 : x
  2. Step 2: Convert to fraction form
    239,172.63/330,058.22 = 131,742.33/x
  3. Step 3: Cross multiply
    239,172.63x = 330,058.22 × 131,742.33
  4. Step 4: Simplify right side
    239,172.63x = 43,482,638,938.45
  5. Step 5: Solve for x
    x = 43,482,638,938.45/239,172.63
  6. Step 6: Final answer
    x = 181,804.41

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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.