Home / 226,386.18-312,397.82-124,409.45

Finding the Fourth Proportional to 226,386.18, 312,397.82 and 124,409.45

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Solution

The fourth proportional to 226,386.18, 312,397.82 and 124,409.45 is: 171,676.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,386.18 : 312,397.82 = 124,409.45 : x
  2. Step 2: Convert to fraction form
    226,386.18/312,397.82 = 124,409.45/x
  3. Step 3: Cross multiply
    226,386.18x = 312,397.82 × 124,409.45
  4. Step 4: Simplify right side
    226,386.18x = 38,865,238,783.36
  5. Step 5: Solve for x
    x = 38,865,238,783.36/226,386.18
  6. Step 6: Final answer
    x = 171,676.73

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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.