Home / 190,350.48-262,683.12-105,467.52

Finding the Fourth Proportional to 190,350.48, 262,683.12 and 105,467.52

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Solution

The fourth proportional to 190,350.48, 262,683.12 and 105,467.52 is: 145,544.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,350.48 : 262,683.12 = 105,467.52 : x
  2. Step 2: Convert to fraction form
    190,350.48/262,683.12 = 105,467.52/x
  3. Step 3: Cross multiply
    190,350.48x = 262,683.12 × 105,467.52
  4. Step 4: Simplify right side
    190,350.48x = 27,704,537,212.26
  5. Step 5: Solve for x
    x = 27,704,537,212.26/190,350.48
  6. Step 6: Final answer
    x = 145,544.88

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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.