Home / 130,696.74-195,729.32-74,366.18

Finding the Fourth Proportional to 130,696.74, 195,729.32 and 74,366.18

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Solution

The fourth proportional to 130,696.74, 195,729.32 and 74,366.18 is: 111,369.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,696.74 : 195,729.32 = 74,366.18 : x
  2. Step 2: Convert to fraction form
    130,696.74/195,729.32 = 74,366.18/x
  3. Step 3: Cross multiply
    130,696.74x = 195,729.32 × 74,366.18
  4. Step 4: Simplify right side
    130,696.74x = 14,555,641,842.40
  5. Step 5: Solve for x
    x = 14,555,641,842.40/130,696.74
  6. Step 6: Final answer
    x = 111,369.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.