Home / 219,038.26-328,507.84-100,595.74

Finding the Fourth Proportional to 219,038.26, 328,507.84 and 100,595.74

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Solution

The fourth proportional to 219,038.26, 328,507.84 and 100,595.74 is: 150,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,038.26 : 328,507.84 = 100,595.74 : x
  2. Step 2: Convert to fraction form
    219,038.26/328,507.84 = 100,595.74/x
  3. Step 3: Cross multiply
    219,038.26x = 328,507.84 × 100,595.74
  4. Step 4: Simplify right side
    219,038.26x = 33,046,489,260.60
  5. Step 5: Solve for x
    x = 33,046,489,260.60/219,038.26
  6. Step 6: Final answer
    x = 150,870.85

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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.