Home / 191,312.01-263,939.27-119,664.81

Finding the Fourth Proportional to 191,312.01, 263,939.27 and 119,664.81

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Solution

The fourth proportional to 191,312.01, 263,939.27 and 119,664.81 is: 165,092.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,312.01 : 263,939.27 = 119,664.81 : x
  2. Step 2: Convert to fraction form
    191,312.01/263,939.27 = 119,664.81/x
  3. Step 3: Cross multiply
    191,312.01x = 263,939.27 × 119,664.81
  4. Step 4: Simplify right side
    191,312.01x = 31,584,241,997.76
  5. Step 5: Solve for x
    x = 31,584,241,997.76/191,312.01
  6. Step 6: Final answer
    x = 165,092.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.