Home / 211,047.89-291,246.03-115,554.56

Finding the Fourth Proportional to 211,047.89, 291,246.03 and 115,554.56

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Solution

The fourth proportional to 211,047.89, 291,246.03 and 115,554.56 is: 159,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,047.89 : 291,246.03 = 115,554.56 : x
  2. Step 2: Convert to fraction form
    211,047.89/291,246.03 = 115,554.56/x
  3. Step 3: Cross multiply
    211,047.89x = 291,246.03 × 115,554.56
  4. Step 4: Simplify right side
    211,047.89x = 33,654,805,392.17
  5. Step 5: Solve for x
    x = 33,654,805,392.17/211,047.89
  6. Step 6: Final answer
    x = 159,465.26

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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.