Home / 212,341.72-318,405.12-94,049.32

Finding the Fourth Proportional to 212,341.72, 318,405.12 and 94,049.32

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Solution

The fourth proportional to 212,341.72, 318,405.12 and 94,049.32 is: 141,026.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,341.72 : 318,405.12 = 94,049.32 : x
  2. Step 2: Convert to fraction form
    212,341.72/318,405.12 = 94,049.32/x
  3. Step 3: Cross multiply
    212,341.72x = 318,405.12 × 94,049.32
  4. Step 4: Simplify right side
    212,341.72x = 29,945,785,020.52
  5. Step 5: Solve for x
    x = 29,945,785,020.52/212,341.72
  6. Step 6: Final answer
    x = 141,026.38

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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.