Home / 186,061.77-256,776.46-109,631.81

Finding the Fourth Proportional to 186,061.77, 256,776.46 and 109,631.81

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Solution

The fourth proportional to 186,061.77, 256,776.46 and 109,631.81 is: 151,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,061.77 : 256,776.46 = 109,631.81 : x
  2. Step 2: Convert to fraction form
    186,061.77/256,776.46 = 109,631.81/x
  3. Step 3: Cross multiply
    186,061.77x = 256,776.46 × 109,631.81
  4. Step 4: Simplify right side
    186,061.77x = 28,150,868,443.05
  5. Step 5: Solve for x
    x = 28,150,868,443.05/186,061.77
  6. Step 6: Final answer
    x = 151,298.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.