Home / 526,139.02-789,215.82-171,154.90

Finding the Fourth Proportional to 526,139.02, 789,215.82 and 171,154.90

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Solution

The fourth proportional to 526,139.02, 789,215.82 and 171,154.90 is: 256,734.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,139.02 : 789,215.82 = 171,154.90 : x
  2. Step 2: Convert to fraction form
    526,139.02/789,215.82 = 171,154.90/x
  3. Step 3: Cross multiply
    526,139.02x = 789,215.82 × 171,154.90
  4. Step 4: Simplify right side
    526,139.02x = 135,078,154,750.52
  5. Step 5: Solve for x
    x = 135,078,154,750.52/526,139.02
  6. Step 6: Final answer
    x = 256,734.72

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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.