Home / 140,838.12-211,257.52-35,657.10

Finding the Fourth Proportional to 140,838.12, 211,257.52 and 35,657.10

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Solution

The fourth proportional to 140,838.12, 211,257.52 and 35,657.10 is: 53,485.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,838.12 : 211,257.52 = 35,657.10 : x
  2. Step 2: Convert to fraction form
    140,838.12/211,257.52 = 35,657.10/x
  3. Step 3: Cross multiply
    140,838.12x = 211,257.52 × 35,657.10
  4. Step 4: Simplify right side
    140,838.12x = 7,532,830,516.39
  5. Step 5: Solve for x
    x = 7,532,830,516.39/140,838.12
  6. Step 6: Final answer
    x = 53,485.74

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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.