Home / 211,601.54-291,646.50-201,636.12

Finding the Fourth Proportional to 211,601.54, 291,646.50 and 201,636.12

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Solution

The fourth proportional to 211,601.54, 291,646.50 and 201,636.12 is: 277,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,601.54 : 291,646.50 = 201,636.12 : x
  2. Step 2: Convert to fraction form
    211,601.54/291,646.50 = 201,636.12/x
  3. Step 3: Cross multiply
    211,601.54x = 291,646.50 × 201,636.12
  4. Step 4: Simplify right side
    211,601.54x = 58,806,468,671.58
  5. Step 5: Solve for x
    x = 58,806,468,671.58/211,601.54
  6. Step 6: Final answer
    x = 277,911.35

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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.