Home / 141,248.85-211,762.50-66,330.43

Finding the Fourth Proportional to 141,248.85, 211,762.50 and 66,330.43

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Solution

The fourth proportional to 141,248.85, 211,762.50 and 66,330.43 is: 99,443.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,248.85 : 211,762.50 = 66,330.43 : x
  2. Step 2: Convert to fraction form
    141,248.85/211,762.50 = 66,330.43/x
  3. Step 3: Cross multiply
    141,248.85x = 211,762.50 × 66,330.43
  4. Step 4: Simplify right side
    141,248.85x = 14,046,297,277.84
  5. Step 5: Solve for x
    x = 14,046,297,277.84/141,248.85
  6. Step 6: Final answer
    x = 99,443.62

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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.