Home / 526,142.02-789,220.32-171,157.90

Finding the Fourth Proportional to 526,142.02, 789,220.32 and 171,157.90

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Solution

The fourth proportional to 526,142.02, 789,220.32 and 171,157.90 is: 256,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,142.02 : 789,220.32 = 171,157.90 : x
  2. Step 2: Convert to fraction form
    526,142.02/789,220.32 = 171,157.90/x
  3. Step 3: Cross multiply
    526,142.02x = 789,220.32 × 171,157.90
  4. Step 4: Simplify right side
    526,142.02x = 135,081,292,608.53
  5. Step 5: Solve for x
    x = 135,081,292,608.53/526,142.02
  6. Step 6: Final answer
    x = 256,739.22

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1.5x scale

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.