Home / 155,207.44-232,616.38-66,356.51

Finding the Fourth Proportional to 155,207.44, 232,616.38 and 66,356.51

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Solution

The fourth proportional to 155,207.44, 232,616.38 and 66,356.51 is: 99,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,207.44 : 232,616.38 = 66,356.51 : x
  2. Step 2: Convert to fraction form
    155,207.44/232,616.38 = 66,356.51/x
  3. Step 3: Cross multiply
    155,207.44x = 232,616.38 × 66,356.51
  4. Step 4: Simplify right side
    155,207.44x = 15,435,611,145.63
  5. Step 5: Solve for x
    x = 15,435,611,145.63/155,207.44
  6. Step 6: Final answer
    x = 99,451.49

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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.