Home / 190,329.80-285,494.70-172,833.80

Finding the Fourth Proportional to 190,329.80, 285,494.70 and 172,833.80

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Solution

The fourth proportional to 190,329.80, 285,494.70 and 172,833.80 is: 259,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,329.80 : 285,494.70 = 172,833.80 : x
  2. Step 2: Convert to fraction form
    190,329.80/285,494.70 = 172,833.80/x
  3. Step 3: Cross multiply
    190,329.80x = 285,494.70 × 172,833.80
  4. Step 4: Simplify right side
    190,329.80x = 49,343,133,880.86
  5. Step 5: Solve for x
    x = 49,343,133,880.86/190,329.80
  6. Step 6: Final answer
    x = 259,250.70

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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.