Home / 158,475.22-238,008.96-139,506.64

Finding the Fourth Proportional to 158,475.22, 238,008.96 and 139,506.64

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Solution

The fourth proportional to 158,475.22, 238,008.96 and 139,506.64 is: 209,520.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,475.22 : 238,008.96 = 139,506.64 : x
  2. Step 2: Convert to fraction form
    158,475.22/238,008.96 = 139,506.64/x
  3. Step 3: Cross multiply
    158,475.22x = 238,008.96 × 139,506.64
  4. Step 4: Simplify right side
    158,475.22x = 33,203,830,299.49
  5. Step 5: Solve for x
    x = 33,203,830,299.49/158,475.22
  6. Step 6: Final answer
    x = 209,520.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.