Home / 211,172.01-291,417.41-115,682.10

Finding the Fourth Proportional to 211,172.01, 291,417.41 and 115,682.10

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Solution

The fourth proportional to 211,172.01, 291,417.41 and 115,682.10 is: 159,641.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,172.01 : 291,417.41 = 115,682.10 : x
  2. Step 2: Convert to fraction form
    211,172.01/291,417.41 = 115,682.10/x
  3. Step 3: Cross multiply
    211,172.01x = 291,417.41 × 115,682.10
  4. Step 4: Simplify right side
    211,172.01x = 33,711,777,965.36
  5. Step 5: Solve for x
    x = 33,711,777,965.36/211,172.01
  6. Step 6: Final answer
    x = 159,641.32

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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.