Home / 291,928.81-437,890.56-92,249.18

Finding the Fourth Proportional to 291,928.81, 437,890.56 and 92,249.18

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Solution

The fourth proportional to 291,928.81, 437,890.56 and 92,249.18 is: 138,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,928.81 : 437,890.56 = 92,249.18 : x
  2. Step 2: Convert to fraction form
    291,928.81/437,890.56 = 92,249.18/x
  3. Step 3: Cross multiply
    291,928.81x = 437,890.56 × 92,249.18
  4. Step 4: Simplify right side
    291,928.81x = 40,395,044,196.44
  5. Step 5: Solve for x
    x = 40,395,044,196.44/291,928.81
  6. Step 6: Final answer
    x = 138,372.93

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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.