Home / 155,799.45-215,047.31-92,159.37

Finding the Fourth Proportional to 155,799.45, 215,047.31 and 92,159.37

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Solution

The fourth proportional to 155,799.45, 215,047.31 and 92,159.37 is: 127,206.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,799.45 : 215,047.31 = 92,159.37 : x
  2. Step 2: Convert to fraction form
    155,799.45/215,047.31 = 92,159.37/x
  3. Step 3: Cross multiply
    155,799.45x = 215,047.31 × 92,159.37
  4. Step 4: Simplify right side
    155,799.45x = 19,818,624,149.00
  5. Step 5: Solve for x
    x = 19,818,624,149.00/155,799.45
  6. Step 6: Final answer
    x = 127,206.00

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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.