Home / 211,049.01-291,248.46-115,554.87

Finding the Fourth Proportional to 211,049.01, 291,248.46 and 115,554.87

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Solution

The fourth proportional to 211,049.01, 291,248.46 and 115,554.87 is: 159,466.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,049.01 : 291,248.46 = 115,554.87 : x
  2. Step 2: Convert to fraction form
    211,049.01/291,248.46 = 115,554.87/x
  3. Step 3: Cross multiply
    211,049.01x = 291,248.46 × 115,554.87
  4. Step 4: Simplify right side
    211,049.01x = 33,655,177,933.00
  5. Step 5: Solve for x
    x = 33,655,177,933.00/211,049.01
  6. Step 6: Final answer
    x = 159,466.17

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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.