Home / 190,404.74-262,787.48-121,523.93

Finding the Fourth Proportional to 190,404.74, 262,787.48 and 121,523.93

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Solution

The fourth proportional to 190,404.74, 262,787.48 and 121,523.93 is: 167,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,404.74 : 262,787.48 = 121,523.93 : x
  2. Step 2: Convert to fraction form
    190,404.74/262,787.48 = 121,523.93/x
  3. Step 3: Cross multiply
    190,404.74x = 262,787.48 × 121,523.93
  4. Step 4: Simplify right side
    190,404.74x = 31,934,967,781.75
  5. Step 5: Solve for x
    x = 31,934,967,781.75/190,404.74
  6. Step 6: Final answer
    x = 167,721.50

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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.