Home / 161,901.64-242,705.44-56,663.20

Finding the Fourth Proportional to 161,901.64, 242,705.44 and 56,663.20

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Solution

The fourth proportional to 161,901.64, 242,705.44 and 56,663.20 is: 84,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,901.64 : 242,705.44 = 56,663.20 : x
  2. Step 2: Convert to fraction form
    161,901.64/242,705.44 = 56,663.20/x
  3. Step 3: Cross multiply
    161,901.64x = 242,705.44 × 56,663.20
  4. Step 4: Simplify right side
    161,901.64x = 13,752,465,390.96
  5. Step 5: Solve for x
    x = 13,752,465,390.96/161,901.64
  6. Step 6: Final answer
    x = 84,943.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.