Home / 526,005.98-789,032.40-161,240.70

Finding the Fourth Proportional to 526,005.98, 789,032.40 and 161,240.70

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Solution

The fourth proportional to 526,005.98, 789,032.40 and 161,240.70 is: 241,868.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,005.98 : 789,032.40 = 161,240.70 : x
  2. Step 2: Convert to fraction form
    526,005.98/789,032.40 = 161,240.70/x
  3. Step 3: Cross multiply
    526,005.98x = 789,032.40 × 161,240.70
  4. Step 4: Simplify right side
    526,005.98x = 127,224,136,498.68
  5. Step 5: Solve for x
    x = 127,224,136,498.68/526,005.98
  6. Step 6: Final answer
    x = 241,868.23

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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.