Home / 109,752.16-164,515.24-43,165.30

Finding the Fourth Proportional to 109,752.16, 164,515.24 and 43,165.30

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Solution

The fourth proportional to 109,752.16, 164,515.24 and 43,165.30 is: 64,703.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,752.16 : 164,515.24 = 43,165.30 : x
  2. Step 2: Convert to fraction form
    109,752.16/164,515.24 = 43,165.30/x
  3. Step 3: Cross multiply
    109,752.16x = 164,515.24 × 43,165.30
  4. Step 4: Simplify right side
    109,752.16x = 7,101,349,689.17
  5. Step 5: Solve for x
    x = 7,101,349,689.17/109,752.16
  6. Step 6: Final answer
    x = 64,703.51

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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.