Home / 296,237.36-408,382.28-211,206.80

Finding the Fourth Proportional to 296,237.36, 408,382.28 and 211,206.80

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Solution

The fourth proportional to 296,237.36, 408,382.28 and 211,206.80 is: 291,162.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,237.36 : 408,382.28 = 211,206.80 : x
  2. Step 2: Convert to fraction form
    296,237.36/408,382.28 = 211,206.80/x
  3. Step 3: Cross multiply
    296,237.36x = 408,382.28 × 211,206.80
  4. Step 4: Simplify right side
    296,237.36x = 86,253,114,535.50
  5. Step 5: Solve for x
    x = 86,253,114,535.50/296,237.36
  6. Step 6: Final answer
    x = 291,162.18

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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.