Home / 186,721.59-257,674.61-106,149.11

Finding the Fourth Proportional to 186,721.59, 257,674.61 and 106,149.11

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Solution

The fourth proportional to 186,721.59, 257,674.61 and 106,149.11 is: 146,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,721.59 : 257,674.61 = 106,149.11 : x
  2. Step 2: Convert to fraction form
    186,721.59/257,674.61 = 106,149.11/x
  3. Step 3: Cross multiply
    186,721.59x = 257,674.61 × 106,149.11
  4. Step 4: Simplify right side
    186,721.59x = 27,351,931,430.66
  5. Step 5: Solve for x
    x = 27,351,931,430.66/186,721.59
  6. Step 6: Final answer
    x = 146,485.10

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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.