Home / 101,090.24-139,541.28-75,556.16

Finding the Fourth Proportional to 101,090.24, 139,541.28 and 75,556.16

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Solution

The fourth proportional to 101,090.24, 139,541.28 and 75,556.16 is: 104,294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,090.24 : 139,541.28 = 75,556.16 : x
  2. Step 2: Convert to fraction form
    101,090.24/139,541.28 = 75,556.16/x
  3. Step 3: Cross multiply
    101,090.24x = 139,541.28 × 75,556.16
  4. Step 4: Simplify right side
    101,090.24x = 10,543,203,278.28
  5. Step 5: Solve for x
    x = 10,543,203,278.28/101,090.24
  6. Step 6: Final answer
    x = 104,294.97

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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.