Home / 133,366.77-184,113.05-103,083.71

Finding the Fourth Proportional to 133,366.77, 184,113.05 and 103,083.71

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Solution

The fourth proportional to 133,366.77, 184,113.05 and 103,083.71 is: 142,307.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,366.77 : 184,113.05 = 103,083.71 : x
  2. Step 2: Convert to fraction form
    133,366.77/184,113.05 = 103,083.71/x
  3. Step 3: Cross multiply
    133,366.77x = 184,113.05 × 103,083.71
  4. Step 4: Simplify right side
    133,366.77x = 18,979,054,817.43
  5. Step 5: Solve for x
    x = 18,979,054,817.43/133,366.77
  6. Step 6: Final answer
    x = 142,307.22

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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.