Home / 215,851.14-297,883.80-120,357.86

Finding the Fourth Proportional to 215,851.14, 297,883.80 and 120,357.86

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Solution

The fourth proportional to 215,851.14, 297,883.80 and 120,357.86 is: 166,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,851.14 : 297,883.80 = 120,357.86 : x
  2. Step 2: Convert to fraction form
    215,851.14/297,883.80 = 120,357.86/x
  3. Step 3: Cross multiply
    215,851.14x = 297,883.80 × 120,357.86
  4. Step 4: Simplify right side
    215,851.14x = 35,852,655,207.25
  5. Step 5: Solve for x
    x = 35,852,655,207.25/215,851.14
  6. Step 6: Final answer
    x = 166,098.98

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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.