Home / 312,315.14-430,917.37-183,265.74

Finding the Fourth Proportional to 312,315.14, 430,917.37 and 183,265.74

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Solution

The fourth proportional to 312,315.14, 430,917.37 and 183,265.74 is: 252,861.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,315.14 : 430,917.37 = 183,265.74 : x
  2. Step 2: Convert to fraction form
    312,315.14/430,917.37 = 183,265.74/x
  3. Step 3: Cross multiply
    312,315.14x = 430,917.37 × 183,265.74
  4. Step 4: Simplify right side
    312,315.14x = 78,972,390,233.74
  5. Step 5: Solve for x
    x = 78,972,390,233.74/312,315.14
  6. Step 6: Final answer
    x = 252,861.23

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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.