Home / 263,346.18-363,415.13-142,484.81

Finding the Fourth Proportional to 263,346.18, 363,415.13 and 142,484.81

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Solution

The fourth proportional to 263,346.18, 363,415.13 and 142,484.81 is: 196,627.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,346.18 : 363,415.13 = 142,484.81 : x
  2. Step 2: Convert to fraction form
    263,346.18/363,415.13 = 142,484.81/x
  3. Step 3: Cross multiply
    263,346.18x = 363,415.13 × 142,484.81
  4. Step 4: Simplify right side
    263,346.18x = 51,781,135,749.18
  5. Step 5: Solve for x
    x = 51,781,135,749.18/263,346.18
  6. Step 6: Final answer
    x = 196,627.63

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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.