Home / 225,385.74-311,032.44-140,503.14

Finding the Fourth Proportional to 225,385.74, 311,032.44 and 140,503.14

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Solution

The fourth proportional to 225,385.74, 311,032.44 and 140,503.14 is: 193,894.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,385.74 : 311,032.44 = 140,503.14 : x
  2. Step 2: Convert to fraction form
    225,385.74/311,032.44 = 140,503.14/x
  3. Step 3: Cross multiply
    225,385.74x = 311,032.44 × 140,503.14
  4. Step 4: Simplify right side
    225,385.74x = 43,701,034,461.86
  5. Step 5: Solve for x
    x = 43,701,034,461.86/225,385.74
  6. Step 6: Final answer
    x = 193,894.41

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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.