Home / 215,428.56-297,284.76-119,933.16

Finding the Fourth Proportional to 215,428.56, 297,284.76 and 119,933.16

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Solution

The fourth proportional to 215,428.56, 297,284.76 and 119,933.16 is: 165,504.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,428.56 : 297,284.76 = 119,933.16 : x
  2. Step 2: Convert to fraction form
    215,428.56/297,284.76 = 119,933.16/x
  3. Step 3: Cross multiply
    215,428.56x = 297,284.76 × 119,933.16
  4. Step 4: Simplify right side
    215,428.56x = 35,654,300,686.64
  5. Step 5: Solve for x
    x = 35,654,300,686.64/215,428.56
  6. Step 6: Final answer
    x = 165,504.06

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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.