Home / 114,120.16-157,467.45-71,736.10

Finding the Fourth Proportional to 114,120.16, 157,467.45 and 71,736.10

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Solution

The fourth proportional to 114,120.16, 157,467.45 and 71,736.10 is: 98,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,120.16 : 157,467.45 = 71,736.10 : x
  2. Step 2: Convert to fraction form
    114,120.16/157,467.45 = 71,736.10/x
  3. Step 3: Cross multiply
    114,120.16x = 157,467.45 × 71,736.10
  4. Step 4: Simplify right side
    114,120.16x = 11,296,100,739.95
  5. Step 5: Solve for x
    x = 11,296,100,739.95/114,120.16
  6. Step 6: Final answer
    x = 98,984.27

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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.