Home / 190,634.02-263,070.93-105,750.34

Finding the Fourth Proportional to 190,634.02, 263,070.93 and 105,750.34

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Solution

The fourth proportional to 190,634.02, 263,070.93 and 105,750.34 is: 145,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,634.02 : 263,070.93 = 105,750.34 : x
  2. Step 2: Convert to fraction form
    190,634.02/263,070.93 = 105,750.34/x
  3. Step 3: Cross multiply
    190,634.02x = 263,070.93 × 105,750.34
  4. Step 4: Simplify right side
    190,634.02x = 27,819,840,291.62
  5. Step 5: Solve for x
    x = 27,819,840,291.62/190,634.02
  6. Step 6: Final answer
    x = 145,933.24

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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.