Home / 614,113.25-921,335.73-187,637.45

Finding the Fourth Proportional to 614,113.25, 921,335.73 and 187,637.45

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Solution

The fourth proportional to 614,113.25, 921,335.73 and 187,637.45 is: 281,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,113.25 : 921,335.73 = 187,637.45 : x
  2. Step 2: Convert to fraction form
    614,113.25/921,335.73 = 187,637.45/x
  3. Step 3: Cross multiply
    614,113.25x = 921,335.73 × 187,637.45
  4. Step 4: Simplify right side
    614,113.25x = 172,877,086,971.09
  5. Step 5: Solve for x
    x = 172,877,086,971.09/614,113.25
  6. Step 6: Final answer
    x = 281,506.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.