Home / 328,204.86-492,263.55-91,527.72

Finding the Fourth Proportional to 328,204.86, 492,263.55 and 91,527.72

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Solution

The fourth proportional to 328,204.86, 492,263.55 and 91,527.72 is: 137,279.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,204.86 : 492,263.55 = 91,527.72 : x
  2. Step 2: Convert to fraction form
    328,204.86/492,263.55 = 91,527.72/x
  3. Step 3: Cross multiply
    328,204.86x = 492,263.55 × 91,527.72
  4. Step 4: Simplify right side
    328,204.86x = 45,055,760,370.61
  5. Step 5: Solve for x
    x = 45,055,760,370.61/328,204.86
  6. Step 6: Final answer
    x = 137,279.38

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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.