Home / 104,210.98-143,811.12-56,464.36

Finding the Fourth Proportional to 104,210.98, 143,811.12 and 56,464.36

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Solution

The fourth proportional to 104,210.98, 143,811.12 and 56,464.36 is: 77,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,210.98 : 143,811.12 = 56,464.36 : x
  2. Step 2: Convert to fraction form
    104,210.98/143,811.12 = 56,464.36/x
  3. Step 3: Cross multiply
    104,210.98x = 143,811.12 × 56,464.36
  4. Step 4: Simplify right side
    104,210.98x = 8,120,202,851.68
  5. Step 5: Solve for x
    x = 8,120,202,851.68/104,210.98
  6. Step 6: Final answer
    x = 77,920.80

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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.