Home / 98,496.24-148,409.22-81,350.16

Finding the Fourth Proportional to 98,496.24, 148,409.22 and 81,350.16

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Solution

The fourth proportional to 98,496.24, 148,409.22 and 81,350.16 is: 122,574.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,496.24 : 148,409.22 = 81,350.16 : x
  2. Step 2: Convert to fraction form
    98,496.24/148,409.22 = 81,350.16/x
  3. Step 3: Cross multiply
    98,496.24x = 148,409.22 × 81,350.16
  4. Step 4: Simplify right side
    98,496.24x = 12,073,113,792.48
  5. Step 5: Solve for x
    x = 12,073,113,792.48/98,496.24
  6. Step 6: Final answer
    x = 122,574.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.