Home / 190,715.74-263,200.04-105,832.80

Finding the Fourth Proportional to 190,715.74, 263,200.04 and 105,832.80

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Solution

The fourth proportional to 190,715.74, 263,200.04 and 105,832.80 is: 146,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,715.74 : 263,200.04 = 105,832.80 : x
  2. Step 2: Convert to fraction form
    190,715.74/263,200.04 = 105,832.80/x
  3. Step 3: Cross multiply
    190,715.74x = 263,200.04 × 105,832.80
  4. Step 4: Simplify right side
    190,715.74x = 27,855,197,193.31
  5. Step 5: Solve for x
    x = 27,855,197,193.31/190,715.74
  6. Step 6: Final answer
    x = 146,056.10

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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.