Home / 186,356.24-257,178.66-105,787.16

Finding the Fourth Proportional to 186,356.24, 257,178.66 and 105,787.16

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Solution

The fourth proportional to 186,356.24, 257,178.66 and 105,787.16 is: 145,990.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,356.24 : 257,178.66 = 105,787.16 : x
  2. Step 2: Convert to fraction form
    186,356.24/257,178.66 = 105,787.16/x
  3. Step 3: Cross multiply
    186,356.24x = 257,178.66 × 105,787.16
  4. Step 4: Simplify right side
    186,356.24x = 27,206,200,054.01
  5. Step 5: Solve for x
    x = 27,206,200,054.01/186,356.24
  6. Step 6: Final answer
    x = 145,990.28

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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.