Home / 211,388.04-291,715.43-115,892.73

Finding the Fourth Proportional to 211,388.04, 291,715.43 and 115,892.73

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Solution

The fourth proportional to 211,388.04, 291,715.43 and 115,892.73 is: 159,931.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,388.04 : 291,715.43 = 115,892.73 : x
  2. Step 2: Convert to fraction form
    211,388.04/291,715.43 = 115,892.73/x
  3. Step 3: Cross multiply
    211,388.04x = 291,715.43 × 115,892.73
  4. Step 4: Simplify right side
    211,388.04x = 33,807,696,986.36
  5. Step 5: Solve for x
    x = 33,807,696,986.36/211,388.04
  6. Step 6: Final answer
    x = 159,931.93

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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.