Home / 190,051.44-262,273.32-105,176.40

Finding the Fourth Proportional to 190,051.44, 262,273.32 and 105,176.40

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Solution

The fourth proportional to 190,051.44, 262,273.32 and 105,176.40 is: 145,144.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,051.44 : 262,273.32 = 105,176.40 : x
  2. Step 2: Convert to fraction form
    190,051.44/262,273.32 = 105,176.40/x
  3. Step 3: Cross multiply
    190,051.44x = 262,273.32 × 105,176.40
  4. Step 4: Simplify right side
    190,051.44x = 27,584,963,613.65
  5. Step 5: Solve for x
    x = 27,584,963,613.65/190,051.44
  6. Step 6: Final answer
    x = 145,144.72

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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.