Home / 114,107.40-157,460.22-66,357.36

Finding the Fourth Proportional to 114,107.40, 157,460.22 and 66,357.36

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Solution

The fourth proportional to 114,107.40, 157,460.22 and 66,357.36 is: 91,568.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,107.40 : 157,460.22 = 66,357.36 : x
  2. Step 2: Convert to fraction form
    114,107.40/157,460.22 = 66,357.36/x
  3. Step 3: Cross multiply
    114,107.40x = 157,460.22 × 66,357.36
  4. Step 4: Simplify right side
    114,107.40x = 10,448,644,504.22
  5. Step 5: Solve for x
    x = 10,448,644,504.22/114,107.40
  6. Step 6: Final answer
    x = 91,568.51

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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.