Home / 186,116.87-256,864.08-109,632.01

Finding the Fourth Proportional to 186,116.87, 256,864.08 and 109,632.01

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Solution

The fourth proportional to 186,116.87, 256,864.08 and 109,632.01 is: 151,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,116.87 : 256,864.08 = 109,632.01 : x
  2. Step 2: Convert to fraction form
    186,116.87/256,864.08 = 109,632.01/x
  3. Step 3: Cross multiply
    186,116.87x = 256,864.08 × 109,632.01
  4. Step 4: Simplify right side
    186,116.87x = 28,160,525,021.10
  5. Step 5: Solve for x
    x = 28,160,525,021.10/186,116.87
  6. Step 6: Final answer
    x = 151,305.60

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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.