Home / 142,698.92-197,056.88-106,826.66

Finding the Fourth Proportional to 142,698.92, 197,056.88 and 106,826.66

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Solution

The fourth proportional to 142,698.92, 197,056.88 and 106,826.66 is: 147,519.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,698.92 : 197,056.88 = 106,826.66 : x
  2. Step 2: Convert to fraction form
    142,698.92/197,056.88 = 106,826.66/x
  3. Step 3: Cross multiply
    142,698.92x = 197,056.88 × 106,826.66
  4. Step 4: Simplify right side
    142,698.92x = 21,050,927,602.20
  5. Step 5: Solve for x
    x = 21,050,927,602.20/142,698.92
  6. Step 6: Final answer
    x = 147,519.88

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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.