Home / 114,021.27-157,405.46-71,603.19

Finding the Fourth Proportional to 114,021.27, 157,405.46 and 71,603.19

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Solution

The fourth proportional to 114,021.27, 157,405.46 and 71,603.19 is: 98,847.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,021.27 : 157,405.46 = 71,603.19 : x
  2. Step 2: Convert to fraction form
    114,021.27/157,405.46 = 71,603.19/x
  3. Step 3: Cross multiply
    114,021.27x = 157,405.46 × 71,603.19
  4. Step 4: Simplify right side
    114,021.27x = 11,270,733,059.42
  5. Step 5: Solve for x
    x = 11,270,733,059.42/114,021.27
  6. Step 6: Final answer
    x = 98,847.64

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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.