Home / 155,305.52-213,792.71-114,943.22

Finding the Fourth Proportional to 155,305.52, 213,792.71 and 114,943.22

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Solution

The fourth proportional to 155,305.52, 213,792.71 and 114,943.22 is: 158,230.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,305.52 : 213,792.71 = 114,943.22 : x
  2. Step 2: Convert to fraction form
    155,305.52/213,792.71 = 114,943.22/x
  3. Step 3: Cross multiply
    155,305.52x = 213,792.71 × 114,943.22
  4. Step 4: Simplify right side
    155,305.52x = 24,574,020,856.25
  5. Step 5: Solve for x
    x = 24,574,020,856.25/155,305.52
  6. Step 6: Final answer
    x = 158,230.19

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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.