Home / 381,246.16-526,136.88-211,480.24

Finding the Fourth Proportional to 381,246.16, 526,136.88 and 211,480.24

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Solution

The fourth proportional to 381,246.16, 526,136.88 and 211,480.24 is: 291,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,246.16 : 526,136.88 = 211,480.24 : x
  2. Step 2: Convert to fraction form
    381,246.16/526,136.88 = 211,480.24/x
  3. Step 3: Cross multiply
    381,246.16x = 526,136.88 × 211,480.24
  4. Step 4: Simplify right side
    381,246.16x = 111,267,553,655.25
  5. Step 5: Solve for x
    x = 111,267,553,655.25/381,246.16
  6. Step 6: Final answer
    x = 291,852.26

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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.