Home / 114,028.36-157,384.11-66,309.23

Finding the Fourth Proportional to 114,028.36, 157,384.11 and 66,309.23

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Solution

The fourth proportional to 114,028.36, 157,384.11 and 66,309.23 is: 91,521.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,028.36 : 157,384.11 = 66,309.23 : x
  2. Step 2: Convert to fraction form
    114,028.36/157,384.11 = 66,309.23/x
  3. Step 3: Cross multiply
    114,028.36x = 157,384.11 × 66,309.23
  4. Step 4: Simplify right side
    114,028.36x = 10,436,019,790.46
  5. Step 5: Solve for x
    x = 10,436,019,790.46/114,028.36
  6. Step 6: Final answer
    x = 91,521.27

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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.