Home / 526,140.02-789,217.32-171,155.90

Finding the Fourth Proportional to 526,140.02, 789,217.32 and 171,155.90

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Solution

The fourth proportional to 526,140.02, 789,217.32 and 171,155.90 is: 256,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,140.02 : 789,217.32 = 171,155.90 : x
  2. Step 2: Convert to fraction form
    526,140.02/789,217.32 = 171,155.90/x
  3. Step 3: Cross multiply
    526,140.02x = 789,217.32 × 171,155.90
  4. Step 4: Simplify right side
    526,140.02x = 135,079,200,700.19
  5. Step 5: Solve for x
    x = 135,079,200,700.19/526,140.02
  6. Step 6: Final answer
    x = 256,736.22

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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.