Home / 211,266.33-291,377.76-185,718.32

Finding the Fourth Proportional to 211,266.33, 291,377.76 and 185,718.32

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Solution

The fourth proportional to 211,266.33, 291,377.76 and 185,718.32 is: 256,142.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,266.33 : 291,377.76 = 185,718.32 : x
  2. Step 2: Convert to fraction form
    211,266.33/291,377.76 = 185,718.32/x
  3. Step 3: Cross multiply
    211,266.33x = 291,377.76 × 185,718.32
  4. Step 4: Simplify right side
    211,266.33x = 54,114,187,011.90
  5. Step 5: Solve for x
    x = 54,114,187,011.90/211,266.33
  6. Step 6: Final answer
    x = 256,142.04

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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.