Home / 175,848.78-242,665.66-100,397.28

Finding the Fourth Proportional to 175,848.78, 242,665.66 and 100,397.28

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Solution

The fourth proportional to 175,848.78, 242,665.66 and 100,397.28 is: 138,545.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,848.78 : 242,665.66 = 100,397.28 : x
  2. Step 2: Convert to fraction form
    175,848.78/242,665.66 = 100,397.28/x
  3. Step 3: Cross multiply
    175,848.78x = 242,665.66 × 100,397.28
  4. Step 4: Simplify right side
    175,848.78x = 24,362,972,213.40
  5. Step 5: Solve for x
    x = 24,362,972,213.40/175,848.78
  6. Step 6: Final answer
    x = 138,545.02

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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.