Home / 175,963.47-242,923.81-137,641.60

Finding the Fourth Proportional to 175,963.47, 242,923.81 and 137,641.60

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Solution

The fourth proportional to 175,963.47, 242,923.81 and 137,641.60 is: 190,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,963.47 : 242,923.81 = 137,641.60 : x
  2. Step 2: Convert to fraction form
    175,963.47/242,923.81 = 137,641.60/x
  3. Step 3: Cross multiply
    175,963.47x = 242,923.81 × 137,641.60
  4. Step 4: Simplify right side
    175,963.47x = 33,436,420,737.68
  5. Step 5: Solve for x
    x = 33,436,420,737.68/175,963.47
  6. Step 6: Final answer
    x = 190,019.10

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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.