Home / 211,114.36-316,684.50-92,841.40

Finding the Fourth Proportional to 211,114.36, 316,684.50 and 92,841.40

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Solution

The fourth proportional to 211,114.36, 316,684.50 and 92,841.40 is: 139,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,114.36 : 316,684.50 = 92,841.40 : x
  2. Step 2: Convert to fraction form
    211,114.36/316,684.50 = 92,841.40/x
  3. Step 3: Cross multiply
    211,114.36x = 316,684.50 × 92,841.40
  4. Step 4: Simplify right side
    211,114.36x = 29,401,432,338.30
  5. Step 5: Solve for x
    x = 29,401,432,338.30/211,114.36
  6. Step 6: Final answer
    x = 139,267.80

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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.