Home / 175,864.72-242,705.22-99,357.28

Finding the Fourth Proportional to 175,864.72, 242,705.22 and 99,357.28

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Solution

The fourth proportional to 175,864.72, 242,705.22 and 99,357.28 is: 137,119.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,864.72 : 242,705.22 = 99,357.28 : x
  2. Step 2: Convert to fraction form
    175,864.72/242,705.22 = 99,357.28/x
  3. Step 3: Cross multiply
    175,864.72x = 242,705.22 × 99,357.28
  4. Step 4: Simplify right side
    175,864.72x = 24,114,530,501.00
  5. Step 5: Solve for x
    x = 24,114,530,501.00/175,864.72
  6. Step 6: Final answer
    x = 137,119.77

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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.