Home / 108,149.24-148,161.98-104,106.12

Finding the Fourth Proportional to 108,149.24, 148,161.98 and 104,106.12

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Solution

The fourth proportional to 108,149.24, 148,161.98 and 104,106.12 is: 142,623.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,149.24 : 148,161.98 = 104,106.12 : x
  2. Step 2: Convert to fraction form
    108,149.24/148,161.98 = 104,106.12/x
  3. Step 3: Cross multiply
    108,149.24x = 148,161.98 × 104,106.12
  4. Step 4: Simplify right side
    108,149.24x = 15,424,568,869.32
  5. Step 5: Solve for x
    x = 15,424,568,869.32/108,149.24
  6. Step 6: Final answer
    x = 142,623.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.