Home / 191,142.30-286,771.05-135,846.30

Finding the Fourth Proportional to 191,142.30, 286,771.05 and 135,846.30

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Solution

The fourth proportional to 191,142.30, 286,771.05 and 135,846.30 is: 203,810.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,142.30 : 286,771.05 = 135,846.30 : x
  2. Step 2: Convert to fraction form
    191,142.30/286,771.05 = 135,846.30/x
  3. Step 3: Cross multiply
    191,142.30x = 286,771.05 × 135,846.30
  4. Step 4: Simplify right side
    191,142.30x = 38,956,786,089.62
  5. Step 5: Solve for x
    x = 38,956,786,089.62/191,142.30
  6. Step 6: Final answer
    x = 203,810.39

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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.