Home / 211,024.91-291,202.90-115,513.16

Finding the Fourth Proportional to 211,024.91, 291,202.90 and 115,513.16

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Solution

The fourth proportional to 211,024.91, 291,202.90 and 115,513.16 is: 159,401.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,024.91 : 291,202.90 = 115,513.16 : x
  2. Step 2: Convert to fraction form
    211,024.91/291,202.90 = 115,513.16/x
  3. Step 3: Cross multiply
    211,024.91x = 291,202.90 × 115,513.16
  4. Step 4: Simplify right side
    211,024.91x = 33,637,765,435.37
  5. Step 5: Solve for x
    x = 33,637,765,435.37/211,024.91
  6. Step 6: Final answer
    x = 159,401.87

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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.