Home / 140,895.66-211,412.96-66,002.86

Finding the Fourth Proportional to 140,895.66, 211,412.96 and 66,002.86

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Solution

The fourth proportional to 140,895.66, 211,412.96 and 66,002.86 is: 99,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,895.66 : 211,412.96 = 66,002.86 : x
  2. Step 2: Convert to fraction form
    140,895.66/211,412.96 = 66,002.86/x
  3. Step 3: Cross multiply
    140,895.66x = 211,412.96 × 66,002.86
  4. Step 4: Simplify right side
    140,895.66x = 13,953,860,001.07
  5. Step 5: Solve for x
    x = 13,953,860,001.07/140,895.66
  6. Step 6: Final answer
    x = 99,036.83

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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.