Home / 155,712.74-214,883.57-84,092.76

Finding the Fourth Proportional to 155,712.74, 214,883.57 and 84,092.76

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Solution

The fourth proportional to 155,712.74, 214,883.57 and 84,092.76 is: 116,048.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,712.74 : 214,883.57 = 84,092.76 : x
  2. Step 2: Convert to fraction form
    155,712.74/214,883.57 = 84,092.76/x
  3. Step 3: Cross multiply
    155,712.74x = 214,883.57 × 84,092.76
  4. Step 4: Simplify right side
    155,712.74x = 18,070,151,405.54
  5. Step 5: Solve for x
    x = 18,070,151,405.54/155,712.74
  6. Step 6: Final answer
    x = 116,048.00

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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.