Home / 111,336.96-153,649.44-61,037.76

Finding the Fourth Proportional to 111,336.96, 153,649.44 and 61,037.76

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Solution

The fourth proportional to 111,336.96, 153,649.44 and 61,037.76 is: 84,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,336.96 : 153,649.44 = 61,037.76 : x
  2. Step 2: Convert to fraction form
    111,336.96/153,649.44 = 61,037.76/x
  3. Step 3: Cross multiply
    111,336.96x = 153,649.44 × 61,037.76
  4. Step 4: Simplify right side
    111,336.96x = 9,378,417,642.85
  5. Step 5: Solve for x
    x = 9,378,417,642.85/111,336.96
  6. Step 6: Final answer
    x = 84,234.54

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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.