Home / 226,123.71-312,051.27-124,155.75

Finding the Fourth Proportional to 226,123.71, 312,051.27 and 124,155.75

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Solution

The fourth proportional to 226,123.71, 312,051.27 and 124,155.75 is: 171,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,123.71 : 312,051.27 = 124,155.75 : x
  2. Step 2: Convert to fraction form
    226,123.71/312,051.27 = 124,155.75/x
  3. Step 3: Cross multiply
    226,123.71x = 312,051.27 × 124,155.75
  4. Step 4: Simplify right side
    226,123.71x = 38,742,958,844.52
  5. Step 5: Solve for x
    x = 38,742,958,844.52/226,123.71
  6. Step 6: Final answer
    x = 171,335.23

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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.