Home / 186,022.76-256,766.04-121,501.87

Finding the Fourth Proportional to 186,022.76, 256,766.04 and 121,501.87

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Solution

The fourth proportional to 186,022.76, 256,766.04 and 121,501.87 is: 167,708.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,022.76 : 256,766.04 = 121,501.87 : x
  2. Step 2: Convert to fraction form
    186,022.76/256,766.04 = 121,501.87/x
  3. Step 3: Cross multiply
    186,022.76x = 256,766.04 × 121,501.87
  4. Step 4: Simplify right side
    186,022.76x = 31,197,553,370.58
  5. Step 5: Solve for x
    x = 31,197,553,370.58/186,022.76
  6. Step 6: Final answer
    x = 167,708.26

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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.