Home / 186,318.26-257,036.13-125,869.46

Finding the Fourth Proportional to 186,318.26, 257,036.13 and 125,869.46

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Solution

The fourth proportional to 186,318.26, 257,036.13 and 125,869.46 is: 173,643.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,318.26 : 257,036.13 = 125,869.46 : x
  2. Step 2: Convert to fraction form
    186,318.26/257,036.13 = 125,869.46/x
  3. Step 3: Cross multiply
    186,318.26x = 257,036.13 × 125,869.46
  4. Step 4: Simplify right side
    186,318.26x = 32,352,998,883.59
  5. Step 5: Solve for x
    x = 32,352,998,883.59/186,318.26
  6. Step 6: Final answer
    x = 173,643.74

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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.