Home / 111,083.40-153,299.16-63,336.24

Finding the Fourth Proportional to 111,083.40, 153,299.16 and 63,336.24

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Solution

The fourth proportional to 111,083.40, 153,299.16 and 63,336.24 is: 87,406.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,083.40 : 153,299.16 = 63,336.24 : x
  2. Step 2: Convert to fraction form
    111,083.40/153,299.16 = 63,336.24/x
  3. Step 3: Cross multiply
    111,083.40x = 153,299.16 × 63,336.24
  4. Step 4: Simplify right side
    111,083.40x = 9,709,392,389.56
  5. Step 5: Solve for x
    x = 9,709,392,389.56/111,083.40
  6. Step 6: Final answer
    x = 87,406.33

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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.