Home / 191,103.62-286,557.13-85,832.26

Finding the Fourth Proportional to 191,103.62, 286,557.13 and 85,832.26

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Solution

The fourth proportional to 191,103.62, 286,557.13 and 85,832.26 is: 128,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,103.62 : 286,557.13 = 85,832.26 : x
  2. Step 2: Convert to fraction form
    191,103.62/286,557.13 = 85,832.26/x
  3. Step 3: Cross multiply
    191,103.62x = 286,557.13 × 85,832.26
  4. Step 4: Simplify right side
    191,103.62x = 24,595,846,087.01
  5. Step 5: Solve for x
    x = 24,595,846,087.01/191,103.62
  6. Step 6: Final answer
    x = 128,704.24

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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.