Home / 164,785.64-227,401.80-93,163.28

Finding the Fourth Proportional to 164,785.64, 227,401.80 and 93,163.28

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Solution

The fourth proportional to 164,785.64, 227,401.80 and 93,163.28 is: 128,563.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,785.64 : 227,401.80 = 93,163.28 : x
  2. Step 2: Convert to fraction form
    164,785.64/227,401.80 = 93,163.28/x
  3. Step 3: Cross multiply
    164,785.64x = 227,401.80 × 93,163.28
  4. Step 4: Simplify right side
    164,785.64x = 21,185,497,565.90
  5. Step 5: Solve for x
    x = 21,185,497,565.90/164,785.64
  6. Step 6: Final answer
    x = 128,563.98

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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.