Home / 138,060.18-190,587.24-104,082.48

Finding the Fourth Proportional to 138,060.18, 190,587.24 and 104,082.48

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Solution

The fourth proportional to 138,060.18, 190,587.24 and 104,082.48 is: 143,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,060.18 : 190,587.24 = 104,082.48 : x
  2. Step 2: Convert to fraction form
    138,060.18/190,587.24 = 104,082.48/x
  3. Step 3: Cross multiply
    138,060.18x = 190,587.24 × 104,082.48
  4. Step 4: Simplify right side
    138,060.18x = 19,836,792,595.56
  5. Step 5: Solve for x
    x = 19,836,792,595.56/138,060.18
  6. Step 6: Final answer
    x = 143,682.22

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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.