Home / 219,038.76-328,508.59-100,596.24

Finding the Fourth Proportional to 219,038.76, 328,508.59 and 100,596.24

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Solution

The fourth proportional to 219,038.76, 328,508.59 and 100,596.24 is: 150,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,038.76 : 328,508.59 = 100,596.24 : x
  2. Step 2: Convert to fraction form
    219,038.76/328,508.59 = 100,596.24/x
  3. Step 3: Cross multiply
    219,038.76x = 328,508.59 × 100,596.24
  4. Step 4: Simplify right side
    219,038.76x = 33,046,728,961.70
  5. Step 5: Solve for x
    x = 33,046,728,961.70/219,038.76
  6. Step 6: Final answer
    x = 150,871.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.