Home / 161,521.48-242,309.90-54,894.16

Finding the Fourth Proportional to 161,521.48, 242,309.90 and 54,894.16

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Solution

The fourth proportional to 161,521.48, 242,309.90 and 54,894.16 is: 82,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,521.48 : 242,309.90 = 54,894.16 : x
  2. Step 2: Convert to fraction form
    161,521.48/242,309.90 = 54,894.16/x
  3. Step 3: Cross multiply
    161,521.48x = 242,309.90 × 54,894.16
  4. Step 4: Simplify right side
    161,521.48x = 13,301,398,420.18
  5. Step 5: Solve for x
    x = 13,301,398,420.18/161,521.48
  6. Step 6: Final answer
    x = 82,350.65

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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.