Home / 211,001.84-291,156.72-168,090.64

Finding the Fourth Proportional to 211,001.84, 291,156.72 and 168,090.64

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Solution

The fourth proportional to 211,001.84, 291,156.72 and 168,090.64 is: 231,944.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,001.84 : 291,156.72 = 168,090.64 : x
  2. Step 2: Convert to fraction form
    211,001.84/291,156.72 = 168,090.64/x
  3. Step 3: Cross multiply
    211,001.84x = 291,156.72 × 168,090.64
  4. Step 4: Simplify right side
    211,001.84x = 48,940,719,405.10
  5. Step 5: Solve for x
    x = 48,940,719,405.10/211,001.84
  6. Step 6: Final answer
    x = 231,944.51

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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.