Home / 190,591.02-263,011.59-105,706.26

Finding the Fourth Proportional to 190,591.02, 263,011.59 and 105,706.26

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Solution

The fourth proportional to 190,591.02, 263,011.59 and 105,706.26 is: 145,872.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,591.02 : 263,011.59 = 105,706.26 : x
  2. Step 2: Convert to fraction form
    190,591.02/263,011.59 = 105,706.26/x
  3. Step 3: Cross multiply
    190,591.02x = 263,011.59 × 105,706.26
  4. Step 4: Simplify right side
    190,591.02x = 27,801,971,515.55
  5. Step 5: Solve for x
    x = 27,801,971,515.55/190,591.02
  6. Step 6: Final answer
    x = 145,872.41

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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.