Home / 140,867.05-211,282.08-69,762.01

Finding the Fourth Proportional to 140,867.05, 211,282.08 and 69,762.01

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Solution

The fourth proportional to 140,867.05, 211,282.08 and 69,762.01 is: 104,633.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,867.05 : 211,282.08 = 69,762.01 : x
  2. Step 2: Convert to fraction form
    140,867.05/211,282.08 = 69,762.01/x
  3. Step 3: Cross multiply
    140,867.05x = 211,282.08 × 69,762.01
  4. Step 4: Simplify right side
    140,867.05x = 14,739,462,577.78
  5. Step 5: Solve for x
    x = 14,739,462,577.78/140,867.05
  6. Step 6: Final answer
    x = 104,633.86

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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.