Home / 191,004.12-286,039.50-164,876.76

Finding the Fourth Proportional to 191,004.12, 286,039.50 and 164,876.76

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Solution

The fourth proportional to 191,004.12, 286,039.50 and 164,876.76 is: 246,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,004.12 : 286,039.50 = 164,876.76 : x
  2. Step 2: Convert to fraction form
    191,004.12/286,039.50 = 164,876.76/x
  3. Step 3: Cross multiply
    191,004.12x = 286,039.50 × 164,876.76
  4. Step 4: Simplify right side
    191,004.12x = 47,161,265,992.02
  5. Step 5: Solve for x
    x = 47,161,265,992.02/191,004.12
  6. Step 6: Final answer
    x = 246,912.30

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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.