Home / 114,391.17-157,865.67-65,975.13

Finding the Fourth Proportional to 114,391.17, 157,865.67 and 65,975.13

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Solution

The fourth proportional to 114,391.17, 157,865.67 and 65,975.13 is: 91,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,391.17 : 157,865.67 = 65,975.13 : x
  2. Step 2: Convert to fraction form
    114,391.17/157,865.67 = 65,975.13/x
  3. Step 3: Cross multiply
    114,391.17x = 157,865.67 × 65,975.13
  4. Step 4: Simplify right side
    114,391.17x = 10,415,208,100.79
  5. Step 5: Solve for x
    x = 10,415,208,100.79/114,391.17
  6. Step 6: Final answer
    x = 91,049.06

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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.