Home / 211,994.55-318,038.58-117,362.70

Finding the Fourth Proportional to 211,994.55, 318,038.58 and 117,362.70

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Solution

The fourth proportional to 211,994.55, 318,038.58 and 117,362.70 is: 176,069.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,994.55 : 318,038.58 = 117,362.70 : x
  2. Step 2: Convert to fraction form
    211,994.55/318,038.58 = 117,362.70/x
  3. Step 3: Cross multiply
    211,994.55x = 318,038.58 × 117,362.70
  4. Step 4: Simplify right side
    211,994.55x = 37,325,866,452.97
  5. Step 5: Solve for x
    x = 37,325,866,452.97/211,994.55
  6. Step 6: Final answer
    x = 176,069.93

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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.