Home / 108,461.03-149,684.76-79,911.23

Finding the Fourth Proportional to 108,461.03, 149,684.76 and 79,911.23

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Solution

The fourth proportional to 108,461.03, 149,684.76 and 79,911.23 is: 110,283.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,461.03 : 149,684.76 = 79,911.23 : x
  2. Step 2: Convert to fraction form
    108,461.03/149,684.76 = 79,911.23/x
  3. Step 3: Cross multiply
    108,461.03x = 149,684.76 × 79,911.23
  4. Step 4: Simplify right side
    108,461.03x = 11,961,492,535.43
  5. Step 5: Solve for x
    x = 11,961,492,535.43/108,461.03
  6. Step 6: Final answer
    x = 110,283.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.