Home / 186,323.51-257,043.37-125,874.71

Finding the Fourth Proportional to 186,323.51, 257,043.37 and 125,874.71

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Solution

The fourth proportional to 186,323.51, 257,043.37 and 125,874.71 is: 173,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,323.51 : 257,043.37 = 125,874.71 : x
  2. Step 2: Convert to fraction form
    186,323.51/257,043.37 = 125,874.71/x
  3. Step 3: Cross multiply
    186,323.51x = 257,043.37 × 125,874.71
  4. Step 4: Simplify right side
    186,323.51x = 32,355,259,656.17
  5. Step 5: Solve for x
    x = 32,355,259,656.17/186,323.51
  6. Step 6: Final answer
    x = 173,650.98

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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.