Home / 104,202.48-143,812.44-61,777.20

Finding the Fourth Proportional to 104,202.48, 143,812.44 and 61,777.20

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Solution

The fourth proportional to 104,202.48, 143,812.44 and 61,777.20 is: 85,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,202.48 : 143,812.44 = 61,777.20 : x
  2. Step 2: Convert to fraction form
    104,202.48/143,812.44 = 61,777.20/x
  3. Step 3: Cross multiply
    104,202.48x = 143,812.44 × 61,777.20
  4. Step 4: Simplify right side
    104,202.48x = 8,884,329,868.37
  5. Step 5: Solve for x
    x = 8,884,329,868.37/104,202.48
  6. Step 6: Final answer
    x = 85,260.25

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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.