Home / 140,867.42-211,325.72-61,979.58

Finding the Fourth Proportional to 140,867.42, 211,325.72 and 61,979.58

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Solution

The fourth proportional to 140,867.42, 211,325.72 and 61,979.58 is: 92,980.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,867.42 : 211,325.72 = 61,979.58 : x
  2. Step 2: Convert to fraction form
    140,867.42/211,325.72 = 61,979.58/x
  3. Step 3: Cross multiply
    140,867.42x = 211,325.72 × 61,979.58
  4. Step 4: Simplify right side
    140,867.42x = 13,097,879,058.90
  5. Step 5: Solve for x
    x = 13,097,879,058.90/140,867.42
  6. Step 6: Final answer
    x = 92,980.19

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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.