Home / 158,826.68-219,170.94-87,206.36

Finding the Fourth Proportional to 158,826.68, 219,170.94 and 87,206.36

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Solution

The fourth proportional to 158,826.68, 219,170.94 and 87,206.36 is: 120,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,826.68 : 219,170.94 = 87,206.36 : x
  2. Step 2: Convert to fraction form
    158,826.68/219,170.94 = 87,206.36/x
  3. Step 3: Cross multiply
    158,826.68x = 219,170.94 × 87,206.36
  4. Step 4: Simplify right side
    158,826.68x = 19,113,099,895.18
  5. Step 5: Solve for x
    x = 19,113,099,895.18/158,826.68
  6. Step 6: Final answer
    x = 120,339.35

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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.