Home / 211,701.60-317,552.40-106,725.60

Finding the Fourth Proportional to 211,701.60, 317,552.40 and 106,725.60

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Solution

The fourth proportional to 211,701.60, 317,552.40 and 106,725.60 is: 160,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,701.60 : 317,552.40 = 106,725.60 : x
  2. Step 2: Convert to fraction form
    211,701.60/317,552.40 = 106,725.60/x
  3. Step 3: Cross multiply
    211,701.60x = 317,552.40 × 106,725.60
  4. Step 4: Simplify right side
    211,701.60x = 33,890,970,421.44
  5. Step 5: Solve for x
    x = 33,890,970,421.44/211,701.60
  6. Step 6: Final answer
    x = 160,088.40

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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.