Home / 190,279.47-262,594.32-105,396.54

Finding the Fourth Proportional to 190,279.47, 262,594.32 and 105,396.54

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Solution

The fourth proportional to 190,279.47, 262,594.32 and 105,396.54 is: 145,452.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,279.47 : 262,594.32 = 105,396.54 : x
  2. Step 2: Convert to fraction form
    190,279.47/262,594.32 = 105,396.54/x
  3. Step 3: Cross multiply
    190,279.47x = 262,594.32 × 105,396.54
  4. Step 4: Simplify right side
    190,279.47x = 27,676,532,751.65
  5. Step 5: Solve for x
    x = 27,676,532,751.65/190,279.47
  6. Step 6: Final answer
    x = 145,452.02

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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.