Home / 105,464.13-158,196.75-43,134.63

Finding the Fourth Proportional to 105,464.13, 158,196.75 and 43,134.63

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Solution

The fourth proportional to 105,464.13, 158,196.75 and 43,134.63 is: 64,702.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,464.13 : 158,196.75 = 43,134.63 : x
  2. Step 2: Convert to fraction form
    105,464.13/158,196.75 = 43,134.63/x
  3. Step 3: Cross multiply
    105,464.13x = 158,196.75 × 43,134.63
  4. Step 4: Simplify right side
    105,464.13x = 6,823,758,278.45
  5. Step 5: Solve for x
    x = 6,823,758,278.45/105,464.13
  6. Step 6: Final answer
    x = 64,702.17

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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.