Home / 492,926.78-739,521.16-155,973.41

Finding the Fourth Proportional to 492,926.78, 739,521.16 and 155,973.41

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Solution

The fourth proportional to 492,926.78, 739,521.16 and 155,973.41 is: 234,001.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,926.78 : 739,521.16 = 155,973.41 : x
  2. Step 2: Convert to fraction form
    492,926.78/739,521.16 = 155,973.41/x
  3. Step 3: Cross multiply
    492,926.78x = 739,521.16 × 155,973.41
  4. Step 4: Simplify right side
    492,926.78x = 115,345,638,551.23
  5. Step 5: Solve for x
    x = 115,345,638,551.23/492,926.78
  6. Step 6: Final answer
    x = 234,001.57

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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.