Home / 223,037.76-307,785.24-121,058.40

Finding the Fourth Proportional to 223,037.76, 307,785.24 and 121,058.40

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Solution

The fourth proportional to 223,037.76, 307,785.24 and 121,058.40 is: 167,056.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,037.76 : 307,785.24 = 121,058.40 : x
  2. Step 2: Convert to fraction form
    223,037.76/307,785.24 = 121,058.40/x
  3. Step 3: Cross multiply
    223,037.76x = 307,785.24 × 121,058.40
  4. Step 4: Simplify right side
    223,037.76x = 37,259,988,698.02
  5. Step 5: Solve for x
    x = 37,259,988,698.02/223,037.76
  6. Step 6: Final answer
    x = 167,056.86

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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.