Home / 411,165.18-616,981.05-162,022.14

Finding the Fourth Proportional to 411,165.18, 616,981.05 and 162,022.14

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Solution

The fourth proportional to 411,165.18, 616,981.05 and 162,022.14 is: 243,125.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,165.18 : 616,981.05 = 162,022.14 : x
  2. Step 2: Convert to fraction form
    411,165.18/616,981.05 = 162,022.14/x
  3. Step 3: Cross multiply
    411,165.18x = 616,981.05 × 162,022.14
  4. Step 4: Simplify right side
    411,165.18x = 99,964,590,060.45
  5. Step 5: Solve for x
    x = 99,964,590,060.45/411,165.18
  6. Step 6: Final answer
    x = 243,125.14

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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.