Home / 147,289.15-220,933.91-47,464.21

Finding the Fourth Proportional to 147,289.15, 220,933.91 and 47,464.21

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Solution

The fourth proportional to 147,289.15, 220,933.91 and 47,464.21 is: 71,196.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,289.15 : 220,933.91 = 47,464.21 : x
  2. Step 2: Convert to fraction form
    147,289.15/220,933.91 = 47,464.21/x
  3. Step 3: Cross multiply
    147,289.15x = 220,933.91 × 47,464.21
  4. Step 4: Simplify right side
    147,289.15x = 10,486,453,895.19
  5. Step 5: Solve for x
    x = 10,486,453,895.19/147,289.15
  6. Step 6: Final answer
    x = 71,196.38

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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.