Home / 232,316.64-320,595.48-128,949.72

Finding the Fourth Proportional to 232,316.64, 320,595.48 and 128,949.72

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Solution

The fourth proportional to 232,316.64, 320,595.48 and 128,949.72 is: 177,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,316.64 : 320,595.48 = 128,949.72 : x
  2. Step 2: Convert to fraction form
    232,316.64/320,595.48 = 128,949.72/x
  3. Step 3: Cross multiply
    232,316.64x = 320,595.48 × 128,949.72
  4. Step 4: Simplify right side
    232,316.64x = 41,340,697,379.27
  5. Step 5: Solve for x
    x = 41,340,697,379.27/232,316.64
  6. Step 6: Final answer
    x = 177,949.79

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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.