Home / 104,166.45-143,749.08-56,419.38

Finding the Fourth Proportional to 104,166.45, 143,749.08 and 56,419.38

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Solution

The fourth proportional to 104,166.45, 143,749.08 and 56,419.38 is: 77,858.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,166.45 : 143,749.08 = 56,419.38 : x
  2. Step 2: Convert to fraction form
    104,166.45/143,749.08 = 56,419.38/x
  3. Step 3: Cross multiply
    104,166.45x = 143,749.08 × 56,419.38
  4. Step 4: Simplify right side
    104,166.45x = 8,110,233,969.17
  5. Step 5: Solve for x
    x = 8,110,233,969.17/104,166.45
  6. Step 6: Final answer
    x = 77,858.41

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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.