Home / 191,485.31-264,161.03-123,524.18

Finding the Fourth Proportional to 191,485.31, 264,161.03 and 123,524.18

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Solution

The fourth proportional to 191,485.31, 264,161.03 and 123,524.18 is: 170,406.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,485.31 : 264,161.03 = 123,524.18 : x
  2. Step 2: Convert to fraction form
    191,485.31/264,161.03 = 123,524.18/x
  3. Step 3: Cross multiply
    191,485.31x = 264,161.03 × 123,524.18
  4. Step 4: Simplify right side
    191,485.31x = 32,630,272,680.28
  5. Step 5: Solve for x
    x = 32,630,272,680.28/191,485.31
  6. Step 6: Final answer
    x = 170,406.15

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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.