Home / 114,027.36-157,345.56-66,270.72

Finding the Fourth Proportional to 114,027.36, 157,345.56 and 66,270.72

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Solution

The fourth proportional to 114,027.36, 157,345.56 and 66,270.72 is: 91,446.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,027.36 : 157,345.56 = 66,270.72 : x
  2. Step 2: Convert to fraction form
    114,027.36/157,345.56 = 66,270.72/x
  3. Step 3: Cross multiply
    114,027.36x = 157,345.56 × 66,270.72
  4. Step 4: Simplify right side
    114,027.36x = 10,427,403,550.00
  5. Step 5: Solve for x
    x = 10,427,403,550.00/114,027.36
  6. Step 6: Final answer
    x = 91,446.51

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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.