Home / 191,686.20-264,538.98-105,645.15

Finding the Fourth Proportional to 191,686.20, 264,538.98 and 105,645.15

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Solution

The fourth proportional to 191,686.20, 264,538.98 and 105,645.15 is: 145,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,686.20 : 264,538.98 = 105,645.15 : x
  2. Step 2: Convert to fraction form
    191,686.20/264,538.98 = 105,645.15/x
  3. Step 3: Cross multiply
    191,686.20x = 264,538.98 × 105,645.15
  4. Step 4: Simplify right side
    191,686.20x = 27,947,260,222.95
  5. Step 5: Solve for x
    x = 27,947,260,222.95/191,686.20
  6. Step 6: Final answer
    x = 145,796.93

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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.