Home / 124,089.90-184,731.40-123,351.78

Finding the Fourth Proportional to 124,089.90, 184,731.40 and 123,351.78

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Solution

The fourth proportional to 124,089.90, 184,731.40 and 123,351.78 is: 183,632.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,089.90 : 184,731.40 = 123,351.78 : x
  2. Step 2: Convert to fraction form
    124,089.90/184,731.40 = 123,351.78/x
  3. Step 3: Cross multiply
    124,089.90x = 184,731.40 × 123,351.78
  4. Step 4: Simplify right side
    124,089.90x = 22,786,947,011.89
  5. Step 5: Solve for x
    x = 22,786,947,011.89/124,089.90
  6. Step 6: Final answer
    x = 183,632.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.