Home / 105,473.08-158,210.25-43,143.58

Finding the Fourth Proportional to 105,473.08, 158,210.25 and 43,143.58

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Solution

The fourth proportional to 105,473.08, 158,210.25 and 43,143.58 is: 64,715.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,473.08 : 158,210.25 = 43,143.58 : x
  2. Step 2: Convert to fraction form
    105,473.08/158,210.25 = 43,143.58/x
  3. Step 3: Cross multiply
    105,473.08x = 158,210.25 × 43,143.58
  4. Step 4: Simplify right side
    105,473.08x = 6,825,756,577.70
  5. Step 5: Solve for x
    x = 6,825,756,577.70/105,473.08
  6. Step 6: Final answer
    x = 64,715.63

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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.