Home / 105,869.61-158,800.64-26,983.17

Finding the Fourth Proportional to 105,869.61, 158,800.64 and 26,983.17

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Solution

The fourth proportional to 105,869.61, 158,800.64 and 26,983.17 is: 40,473.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,869.61 : 158,800.64 = 26,983.17 : x
  2. Step 2: Convert to fraction form
    105,869.61/158,800.64 = 26,983.17/x
  3. Step 3: Cross multiply
    105,869.61x = 158,800.64 × 26,983.17
  4. Step 4: Simplify right side
    105,869.61x = 4,284,944,530.31
  5. Step 5: Solve for x
    x = 4,284,944,530.31/105,869.61
  6. Step 6: Final answer
    x = 40,473.79

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1.5x scale

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.