Home / 211,000.84-291,155.34-168,089.64

Finding the Fourth Proportional to 211,000.84, 291,155.34 and 168,089.64

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Solution

The fourth proportional to 211,000.84, 291,155.34 and 168,089.64 is: 231,943.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,000.84 : 291,155.34 = 168,089.64 : x
  2. Step 2: Convert to fraction form
    211,000.84/291,155.34 = 168,089.64/x
  3. Step 3: Cross multiply
    211,000.84x = 291,155.34 × 168,089.64
  4. Step 4: Simplify right side
    211,000.84x = 48,940,196,284.68
  5. Step 5: Solve for x
    x = 48,940,196,284.68/211,000.84
  6. Step 6: Final answer
    x = 231,943.13

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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.