Home / 219,131.04-328,548.24-85,928.16

Finding the Fourth Proportional to 219,131.04, 328,548.24 and 85,928.16

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Solution

The fourth proportional to 219,131.04, 328,548.24 and 85,928.16 is: 128,834.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,131.04 : 328,548.24 = 85,928.16 : x
  2. Step 2: Convert to fraction form
    219,131.04/328,548.24 = 85,928.16/x
  3. Step 3: Cross multiply
    219,131.04x = 328,548.24 × 85,928.16
  4. Step 4: Simplify right side
    219,131.04x = 28,231,545,734.44
  5. Step 5: Solve for x
    x = 28,231,545,734.44/219,131.04
  6. Step 6: Final answer
    x = 128,834.08

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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.