Home / 103,666.88-143,049.20-58,344.10

Finding the Fourth Proportional to 103,666.88, 143,049.20 and 58,344.10

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Solution

The fourth proportional to 103,666.88, 143,049.20 and 58,344.10 is: 80,508.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,666.88 : 143,049.20 = 58,344.10 : x
  2. Step 2: Convert to fraction form
    103,666.88/143,049.20 = 58,344.10/x
  3. Step 3: Cross multiply
    103,666.88x = 143,049.20 × 58,344.10
  4. Step 4: Simplify right side
    103,666.88x = 8,346,076,829.72
  5. Step 5: Solve for x
    x = 8,346,076,829.72/103,666.88
  6. Step 6: Final answer
    x = 80,508.61

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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.