Home / 142,049.08-213,018.22-53,254.12

Finding the Fourth Proportional to 142,049.08, 213,018.22 and 53,254.12

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Solution

The fourth proportional to 142,049.08, 213,018.22 and 53,254.12 is: 79,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,049.08 : 213,018.22 = 53,254.12 : x
  2. Step 2: Convert to fraction form
    142,049.08/213,018.22 = 53,254.12/x
  3. Step 3: Cross multiply
    142,049.08x = 213,018.22 × 53,254.12
  4. Step 4: Simplify right side
    142,049.08x = 11,344,097,850.07
  5. Step 5: Solve for x
    x = 11,344,097,850.07/142,049.08
  6. Step 6: Final answer
    x = 79,860.41

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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.