Home / 104,196.36-143,790.86-56,450.92

Finding the Fourth Proportional to 104,196.36, 143,790.86 and 56,450.92

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Solution

The fourth proportional to 104,196.36, 143,790.86 and 56,450.92 is: 77,902.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,196.36 : 143,790.86 = 56,450.92 : x
  2. Step 2: Convert to fraction form
    104,196.36/143,790.86 = 56,450.92/x
  3. Step 3: Cross multiply
    104,196.36x = 143,790.86 × 56,450.92
  4. Step 4: Simplify right side
    104,196.36x = 8,117,126,334.59
  5. Step 5: Solve for x
    x = 8,117,126,334.59/104,196.36
  6. Step 6: Final answer
    x = 77,902.21

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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.