Home / 211,985.70-317,881.35-93,596.10

Finding the Fourth Proportional to 211,985.70, 317,881.35 and 93,596.10

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Solution

The fourth proportional to 211,985.70, 317,881.35 and 93,596.10 is: 140,351.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,985.70 : 317,881.35 = 93,596.10 : x
  2. Step 2: Convert to fraction form
    211,985.70/317,881.35 = 93,596.10/x
  3. Step 3: Cross multiply
    211,985.70x = 317,881.35 × 93,596.10
  4. Step 4: Simplify right side
    211,985.70x = 29,752,454,622.74
  5. Step 5: Solve for x
    x = 29,752,454,622.74/211,985.70
  6. Step 6: Final answer
    x = 140,351.23

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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.