Home / 194,132.16-291,226.86-99,415.86

Finding the Fourth Proportional to 194,132.16, 291,226.86 and 99,415.86

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Solution

The fourth proportional to 194,132.16, 291,226.86 and 99,415.86 is: 149,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,132.16 : 291,226.86 = 99,415.86 : x
  2. Step 2: Convert to fraction form
    194,132.16/291,226.86 = 99,415.86/x
  3. Step 3: Cross multiply
    194,132.16x = 291,226.86 × 99,415.86
  4. Step 4: Simplify right side
    194,132.16x = 28,952,568,742.00
  5. Step 5: Solve for x
    x = 28,952,568,742.00/194,132.16
  6. Step 6: Final answer
    x = 149,138.45

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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.