Home / 114,039.24-157,399.13-66,320.12

Finding the Fourth Proportional to 114,039.24, 157,399.13 and 66,320.12

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Solution

The fourth proportional to 114,039.24, 157,399.13 and 66,320.12 is: 91,536.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,039.24 : 157,399.13 = 66,320.12 : x
  2. Step 2: Convert to fraction form
    114,039.24/157,399.13 = 66,320.12/x
  3. Step 3: Cross multiply
    114,039.24x = 157,399.13 × 66,320.12
  4. Step 4: Simplify right side
    114,039.24x = 10,438,728,070.90
  5. Step 5: Solve for x
    x = 10,438,728,070.90/114,039.24
  6. Step 6: Final answer
    x = 91,536.28

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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.