Home / 212,801.02-318,260.41-189,273.76

Finding the Fourth Proportional to 212,801.02, 318,260.41 and 189,273.76

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Solution

The fourth proportional to 212,801.02, 318,260.41 and 189,273.76 is: 283,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,801.02 : 318,260.41 = 189,273.76 : x
  2. Step 2: Convert to fraction form
    212,801.02/318,260.41 = 189,273.76/x
  3. Step 3: Cross multiply
    212,801.02x = 318,260.41 × 189,273.76
  4. Step 4: Simplify right side
    212,801.02x = 60,238,343,191.01
  5. Step 5: Solve for x
    x = 60,238,343,191.01/212,801.02
  6. Step 6: Final answer
    x = 283,073.57

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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.