Home / 155,190.94-232,591.64-66,340.01

Finding the Fourth Proportional to 155,190.94, 232,591.64 and 66,340.01

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Solution

The fourth proportional to 155,190.94, 232,591.64 and 66,340.01 is: 99,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,190.94 : 232,591.64 = 66,340.01 : x
  2. Step 2: Convert to fraction form
    155,190.94/232,591.64 = 66,340.01/x
  3. Step 3: Cross multiply
    155,190.94x = 232,591.64 × 66,340.01
  4. Step 4: Simplify right side
    155,190.94x = 15,430,131,973.30
  5. Step 5: Solve for x
    x = 15,430,131,973.30/155,190.94
  6. Step 6: Final answer
    x = 99,426.76

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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.