Home / 267,280.14-401,114.61-215,317.26

Finding the Fourth Proportional to 267,280.14, 401,114.61 and 215,317.26

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Solution

The fourth proportional to 267,280.14, 401,114.61 and 215,317.26 is: 323,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,280.14 : 401,114.61 = 215,317.26 : x
  2. Step 2: Convert to fraction form
    267,280.14/401,114.61 = 215,317.26/x
  3. Step 3: Cross multiply
    267,280.14x = 401,114.61 × 215,317.26
  4. Step 4: Simplify right side
    267,280.14x = 86,366,898,771.17
  5. Step 5: Solve for x
    x = 86,366,898,771.17/267,280.14
  6. Step 6: Final answer
    x = 323,132.50

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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.