Home / 261,739.15-392,804.13-194,426.62

Finding the Fourth Proportional to 261,739.15, 392,804.13 and 194,426.62

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Solution

The fourth proportional to 261,739.15, 392,804.13 and 194,426.62 is: 291,785.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,739.15 : 392,804.13 = 194,426.62 : x
  2. Step 2: Convert to fraction form
    261,739.15/392,804.13 = 194,426.62/x
  3. Step 3: Cross multiply
    261,739.15x = 392,804.13 × 194,426.62
  4. Step 4: Simplify right side
    261,739.15x = 76,371,579,317.94
  5. Step 5: Solve for x
    x = 76,371,579,317.94/261,739.15
  6. Step 6: Final answer
    x = 291,785.08

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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.