Home / 158,826.60-219,192.21-105,018.30

Finding the Fourth Proportional to 158,826.60, 219,192.21 and 105,018.30

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Solution

The fourth proportional to 158,826.60, 219,192.21 and 105,018.30 is: 144,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,826.60 : 219,192.21 = 105,018.30 : x
  2. Step 2: Convert to fraction form
    158,826.60/219,192.21 = 105,018.30/x
  3. Step 3: Cross multiply
    158,826.60x = 219,192.21 × 105,018.30
  4. Step 4: Simplify right side
    158,826.60x = 23,019,193,267.44
  5. Step 5: Solve for x
    x = 23,019,193,267.44/158,826.60
  6. Step 6: Final answer
    x = 144,932.86

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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.