Home / 231,552.80-319,605.72-136,090.16

Finding the Fourth Proportional to 231,552.80, 319,605.72 and 136,090.16

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Solution

The fourth proportional to 231,552.80, 319,605.72 and 136,090.16 is: 187,841.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,552.80 : 319,605.72 = 136,090.16 : x
  2. Step 2: Convert to fraction form
    231,552.80/319,605.72 = 136,090.16/x
  3. Step 3: Cross multiply
    231,552.80x = 319,605.72 × 136,090.16
  4. Step 4: Simplify right side
    231,552.80x = 43,495,193,571.72
  5. Step 5: Solve for x
    x = 43,495,193,571.72/231,552.80
  6. Step 6: Final answer
    x = 187,841.36

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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.