Home / 155,186.10-232,383.87-102,434.58

Finding the Fourth Proportional to 155,186.10, 232,383.87 and 102,434.58

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Solution

The fourth proportional to 155,186.10, 232,383.87 and 102,434.58 is: 153,390.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,186.10 : 232,383.87 = 102,434.58 : x
  2. Step 2: Convert to fraction form
    155,186.10/232,383.87 = 102,434.58/x
  3. Step 3: Cross multiply
    155,186.10x = 232,383.87 × 102,434.58
  4. Step 4: Simplify right side
    155,186.10x = 23,804,144,122.22
  5. Step 5: Solve for x
    x = 23,804,144,122.22/155,186.10
  6. Step 6: Final answer
    x = 153,390.96

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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.