Home / 190,120.84-262,425.16-109,602.18

Finding the Fourth Proportional to 190,120.84, 262,425.16 and 109,602.18

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Solution

The fourth proportional to 190,120.84, 262,425.16 and 109,602.18 is: 151,284.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,120.84 : 262,425.16 = 109,602.18 : x
  2. Step 2: Convert to fraction form
    190,120.84/262,425.16 = 109,602.18/x
  3. Step 3: Cross multiply
    190,120.84x = 262,425.16 × 109,602.18
  4. Step 4: Simplify right side
    190,120.84x = 28,762,369,622.85
  5. Step 5: Solve for x
    x = 28,762,369,622.85/190,120.84
  6. Step 6: Final answer
    x = 151,284.68

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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.