Home / 140,916.40-211,444.08-66,023.60

Finding the Fourth Proportional to 140,916.40, 211,444.08 and 66,023.60

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Solution

The fourth proportional to 140,916.40, 211,444.08 and 66,023.60 is: 99,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,916.40 : 211,444.08 = 66,023.60 : x
  2. Step 2: Convert to fraction form
    140,916.40/211,444.08 = 66,023.60/x
  3. Step 3: Cross multiply
    140,916.40x = 211,444.08 × 66,023.60
  4. Step 4: Simplify right side
    140,916.40x = 13,960,299,360.29
  5. Step 5: Solve for x
    x = 13,960,299,360.29/140,916.40
  6. Step 6: Final answer
    x = 99,067.95

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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.