Home / 313,158.07-432,270.21-185,833.66

Finding the Fourth Proportional to 313,158.07, 432,270.21 and 185,833.66

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Solution

The fourth proportional to 313,158.07, 432,270.21 and 185,833.66 is: 256,516.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,158.07 : 432,270.21 = 185,833.66 : x
  2. Step 2: Convert to fraction form
    313,158.07/432,270.21 = 185,833.66/x
  3. Step 3: Cross multiply
    313,158.07x = 432,270.21 × 185,833.66
  4. Step 4: Simplify right side
    313,158.07x = 80,330,355,233.27
  5. Step 5: Solve for x
    x = 80,330,355,233.27/313,158.07
  6. Step 6: Final answer
    x = 256,516.96

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1.5x scale

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.