Home / 161,916.60-242,583.30-99,514.20

Finding the Fourth Proportional to 161,916.60, 242,583.30 and 99,514.20

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Solution

The fourth proportional to 161,916.60, 242,583.30 and 99,514.20 is: 149,092.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,916.60 : 242,583.30 = 99,514.20 : x
  2. Step 2: Convert to fraction form
    161,916.60/242,583.30 = 99,514.20/x
  3. Step 3: Cross multiply
    161,916.60x = 242,583.30 × 99,514.20
  4. Step 4: Simplify right side
    161,916.60x = 24,140,483,032.86
  5. Step 5: Solve for x
    x = 24,140,483,032.86/161,916.60
  6. Step 6: Final answer
    x = 149,092.08

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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.