Home / 190,672.02-263,127.42-105,788.88

Finding the Fourth Proportional to 190,672.02, 263,127.42 and 105,788.88

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Solution

The fourth proportional to 190,672.02, 263,127.42 and 105,788.88 is: 145,988.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,672.02 : 263,127.42 = 105,788.88 : x
  2. Step 2: Convert to fraction form
    190,672.02/263,127.42 = 105,788.88/x
  3. Step 3: Cross multiply
    190,672.02x = 263,127.42 × 105,788.88
  4. Step 4: Simplify right side
    190,672.02x = 27,835,955,059.09
  5. Step 5: Solve for x
    x = 27,835,955,059.09/190,672.02
  6. Step 6: Final answer
    x = 145,988.67

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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.