Home / 155,411.56-232,232.64-116,690.63

Finding the Fourth Proportional to 155,411.56, 232,232.64 and 116,690.63

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Solution

The fourth proportional to 155,411.56, 232,232.64 and 116,690.63 is: 174,371.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,411.56 : 232,232.64 = 116,690.63 : x
  2. Step 2: Convert to fraction form
    155,411.56/232,232.64 = 116,690.63/x
  3. Step 3: Cross multiply
    155,411.56x = 232,232.64 × 116,690.63
  4. Step 4: Simplify right side
    155,411.56x = 27,099,371,469.41
  5. Step 5: Solve for x
    x = 27,099,371,469.41/155,411.56
  6. Step 6: Final answer
    x = 174,371.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.