Home / 213,909.31-295,198.33-117,111.53

Finding the Fourth Proportional to 213,909.31, 295,198.33 and 117,111.53

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Solution

The fourth proportional to 213,909.31, 295,198.33 and 117,111.53 is: 161,615.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,909.31 : 295,198.33 = 117,111.53 : x
  2. Step 2: Convert to fraction form
    213,909.31/295,198.33 = 117,111.53/x
  3. Step 3: Cross multiply
    213,909.31x = 295,198.33 × 117,111.53
  4. Step 4: Simplify right side
    213,909.31x = 34,571,127,494.19
  5. Step 5: Solve for x
    x = 34,571,127,494.19/213,909.31
  6. Step 6: Final answer
    x = 161,615.82

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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.