Home / 140,904.48-211,425.90-56,661.24

Finding the Fourth Proportional to 140,904.48, 211,425.90 and 56,661.24

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Solution

The fourth proportional to 140,904.48, 211,425.90 and 56,661.24 is: 85,019.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,904.48 : 211,425.90 = 56,661.24 : x
  2. Step 2: Convert to fraction form
    140,904.48/211,425.90 = 56,661.24/x
  3. Step 3: Cross multiply
    140,904.48x = 211,425.90 × 56,661.24
  4. Step 4: Simplify right side
    140,904.48x = 11,979,653,662.12
  5. Step 5: Solve for x
    x = 11,979,653,662.12/140,904.48
  6. Step 6: Final answer
    x = 85,019.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.