Home / 286,561.14-429,542.73-160,015.86

Finding the Fourth Proportional to 286,561.14, 429,542.73 and 160,015.86

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Solution

The fourth proportional to 286,561.14, 429,542.73 and 160,015.86 is: 239,856.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,561.14 : 429,542.73 = 160,015.86 : x
  2. Step 2: Convert to fraction form
    286,561.14/429,542.73 = 160,015.86/x
  3. Step 3: Cross multiply
    286,561.14x = 429,542.73 × 160,015.86
  4. Step 4: Simplify right side
    286,561.14x = 68,733,649,347.70
  5. Step 5: Solve for x
    x = 68,733,649,347.70/286,561.14
  6. Step 6: Final answer
    x = 239,856.84

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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.