Home / 191,278.52-264,035.40-164,312.80

Finding the Fourth Proportional to 191,278.52, 264,035.40 and 164,312.80

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Solution

The fourth proportional to 191,278.52, 264,035.40 and 164,312.80 is: 226,812.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,278.52 : 264,035.40 = 164,312.80 : x
  2. Step 2: Convert to fraction form
    191,278.52/264,035.40 = 164,312.80/x
  3. Step 3: Cross multiply
    191,278.52x = 264,035.40 × 164,312.80
  4. Step 4: Simplify right side
    191,278.52x = 43,384,395,873.12
  5. Step 5: Solve for x
    x = 43,384,395,873.12/191,278.52
  6. Step 6: Final answer
    x = 226,812.69

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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.