Home / 261,739.46-392,804.58-194,426.91

Finding the Fourth Proportional to 261,739.46, 392,804.58 and 194,426.91

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Solution

The fourth proportional to 261,739.46, 392,804.58 and 194,426.91 is: 291,785.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,739.46 : 392,804.58 = 194,426.91 : x
  2. Step 2: Convert to fraction form
    261,739.46/392,804.58 = 194,426.91/x
  3. Step 3: Cross multiply
    261,739.46x = 392,804.58 × 194,426.91
  4. Step 4: Simplify right side
    261,739.46x = 76,371,780,723.25
  5. Step 5: Solve for x
    x = 76,371,780,723.25/261,739.46
  6. Step 6: Final answer
    x = 291,785.51

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1.5x scale

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.