Home / 166,680.48-230,018.64-91,228.32

Finding the Fourth Proportional to 166,680.48, 230,018.64 and 91,228.32

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Solution

The fourth proportional to 166,680.48, 230,018.64 and 91,228.32 is: 125,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,680.48 : 230,018.64 = 91,228.32 : x
  2. Step 2: Convert to fraction form
    166,680.48/230,018.64 = 91,228.32/x
  3. Step 3: Cross multiply
    166,680.48x = 230,018.64 × 91,228.32
  4. Step 4: Simplify right side
    166,680.48x = 20,984,214,095.88
  5. Step 5: Solve for x
    x = 20,984,214,095.88/166,680.48
  6. Step 6: Final answer
    x = 125,894.85

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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.