Home / 114,951.26-158,705.62-78,713.34

Finding the Fourth Proportional to 114,951.26, 158,705.62 and 78,713.34

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Solution

The fourth proportional to 114,951.26, 158,705.62 and 78,713.34 is: 108,674.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,951.26 : 158,705.62 = 78,713.34 : x
  2. Step 2: Convert to fraction form
    114,951.26/158,705.62 = 78,713.34/x
  3. Step 3: Cross multiply
    114,951.26x = 158,705.62 × 78,713.34
  4. Step 4: Simplify right side
    114,951.26x = 12,492,249,426.97
  5. Step 5: Solve for x
    x = 12,492,249,426.97/114,951.26
  6. Step 6: Final answer
    x = 108,674.31

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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.