Home / 191,411.09-264,147.30-106,548.20

Finding the Fourth Proportional to 191,411.09, 264,147.30 and 106,548.20

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Solution

The fourth proportional to 191,411.09, 264,147.30 and 106,548.20 is: 147,036.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,411.09 : 264,147.30 = 106,548.20 : x
  2. Step 2: Convert to fraction form
    191,411.09/264,147.30 = 106,548.20/x
  3. Step 3: Cross multiply
    191,411.09x = 264,147.30 × 106,548.20
  4. Step 4: Simplify right side
    191,411.09x = 28,144,418,029.12
  5. Step 5: Solve for x
    x = 28,144,418,029.12/191,411.09
  6. Step 6: Final answer
    x = 147,036.51

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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.