Home / 231,985.02-320,124.18-136,473.27

Finding the Fourth Proportional to 231,985.02, 320,124.18 and 136,473.27

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Solution

The fourth proportional to 231,985.02, 320,124.18 and 136,473.27 is: 188,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,985.02 : 320,124.18 = 136,473.27 : x
  2. Step 2: Convert to fraction form
    231,985.02/320,124.18 = 136,473.27/x
  3. Step 3: Cross multiply
    231,985.02x = 320,124.18 × 136,473.27
  4. Step 4: Simplify right side
    231,985.02x = 43,688,393,650.67
  5. Step 5: Solve for x
    x = 43,688,393,650.67/231,985.02
  6. Step 6: Final answer
    x = 188,324.20

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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.