Home / 130,698.74-195,732.32-74,368.18

Finding the Fourth Proportional to 130,698.74, 195,732.32 and 74,368.18

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Solution

The fourth proportional to 130,698.74, 195,732.32 and 74,368.18 is: 111,372.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,698.74 : 195,732.32 = 74,368.18 : x
  2. Step 2: Convert to fraction form
    130,698.74/195,732.32 = 74,368.18/x
  3. Step 3: Cross multiply
    130,698.74x = 195,732.32 × 74,368.18
  4. Step 4: Simplify right side
    130,698.74x = 14,556,256,405.58
  5. Step 5: Solve for x
    x = 14,556,256,405.58/130,698.74
  6. Step 6: Final answer
    x = 111,372.58

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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.