Home / 211,204.26-291,228.39-134,602.11

Finding the Fourth Proportional to 211,204.26, 291,228.39 and 134,602.11

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Solution

The fourth proportional to 211,204.26, 291,228.39 and 134,602.11 is: 185,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,204.26 : 291,228.39 = 134,602.11 : x
  2. Step 2: Convert to fraction form
    211,204.26/291,228.39 = 134,602.11/x
  3. Step 3: Cross multiply
    211,204.26x = 291,228.39 × 134,602.11
  4. Step 4: Simplify right side
    211,204.26x = 39,199,955,785.90
  5. Step 5: Solve for x
    x = 39,199,955,785.90/211,204.26
  6. Step 6: Final answer
    x = 185,602.11

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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.