Home / 526,138.02-789,214.32-171,153.90

Finding the Fourth Proportional to 526,138.02, 789,214.32 and 171,153.90

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Solution

The fourth proportional to 526,138.02, 789,214.32 and 171,153.90 is: 256,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,138.02 : 789,214.32 = 171,153.90 : x
  2. Step 2: Convert to fraction form
    526,138.02/789,214.32 = 171,153.90/x
  3. Step 3: Cross multiply
    526,138.02x = 789,214.32 × 171,153.90
  4. Step 4: Simplify right side
    526,138.02x = 135,077,108,803.85
  5. Step 5: Solve for x
    x = 135,077,108,803.85/526,138.02
  6. Step 6: Final answer
    x = 256,733.22

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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.