Home / 212,196.13-318,249.22-62,395.81

Finding the Fourth Proportional to 212,196.13, 318,249.22 and 62,395.81

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Solution

The fourth proportional to 212,196.13, 318,249.22 and 62,395.81 is: 93,580.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,196.13 : 318,249.22 = 62,395.81 : x
  2. Step 2: Convert to fraction form
    212,196.13/318,249.22 = 62,395.81/x
  3. Step 3: Cross multiply
    212,196.13x = 318,249.22 × 62,395.81
  4. Step 4: Simplify right side
    212,196.13x = 19,857,417,863.77
  5. Step 5: Solve for x
    x = 19,857,417,863.77/212,196.13
  6. Step 6: Final answer
    x = 93,580.49

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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.