Home / 196,966.10-295,455.16-77,018.26

Finding the Fourth Proportional to 196,966.10, 295,455.16 and 77,018.26

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Solution

The fourth proportional to 196,966.10, 295,455.16 and 77,018.26 is: 115,529.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,966.10 : 295,455.16 = 77,018.26 : x
  2. Step 2: Convert to fraction form
    196,966.10/295,455.16 = 77,018.26/x
  3. Step 3: Cross multiply
    196,966.10x = 295,455.16 × 77,018.26
  4. Step 4: Simplify right side
    196,966.10x = 22,755,442,331.22
  5. Step 5: Solve for x
    x = 22,755,442,331.22/196,966.10
  6. Step 6: Final answer
    x = 115,529.74

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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.