Home / 230,201.79-317,677.57-128,228.46

Finding the Fourth Proportional to 230,201.79, 317,677.57 and 128,228.46

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Solution

The fourth proportional to 230,201.79, 317,677.57 and 128,228.46 is: 176,954.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,201.79 : 317,677.57 = 128,228.46 : x
  2. Step 2: Convert to fraction form
    230,201.79/317,677.57 = 128,228.46/x
  3. Step 3: Cross multiply
    230,201.79x = 317,677.57 × 128,228.46
  4. Step 4: Simplify right side
    230,201.79x = 40,735,305,577.64
  5. Step 5: Solve for x
    x = 40,735,305,577.64/230,201.79
  6. Step 6: Final answer
    x = 176,954.77

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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.