Home / 173,905.78-239,983.10-98,454.28

Finding the Fourth Proportional to 173,905.78, 239,983.10 and 98,454.28

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Solution

The fourth proportional to 173,905.78, 239,983.10 and 98,454.28 is: 135,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,905.78 : 239,983.10 = 98,454.28 : x
  2. Step 2: Convert to fraction form
    173,905.78/239,983.10 = 98,454.28/x
  3. Step 3: Cross multiply
    173,905.78x = 239,983.10 × 98,454.28
  4. Step 4: Simplify right side
    173,905.78x = 23,627,363,322.67
  5. Step 5: Solve for x
    x = 23,627,363,322.67/173,905.78
  6. Step 6: Final answer
    x = 135,863.01

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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.