Home / 104,245.22-143,857.14-56,497.88

Finding the Fourth Proportional to 104,245.22, 143,857.14 and 56,497.88

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Solution

The fourth proportional to 104,245.22, 143,857.14 and 56,497.88 is: 77,966.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,245.22 : 143,857.14 = 56,497.88 : x
  2. Step 2: Convert to fraction form
    104,245.22/143,857.14 = 56,497.88/x
  3. Step 3: Cross multiply
    104,245.22x = 143,857.14 × 56,497.88
  4. Step 4: Simplify right side
    104,245.22x = 8,127,623,432.86
  5. Step 5: Solve for x
    x = 8,127,623,432.86/104,245.22
  6. Step 6: Final answer
    x = 77,966.39

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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.