Home / 190,033.63-285,133.10-119,118.76

Finding the Fourth Proportional to 190,033.63, 285,133.10 and 119,118.76

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Solution

The fourth proportional to 190,033.63, 285,133.10 and 119,118.76 is: 178,729.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,033.63 : 285,133.10 = 119,118.76 : x
  2. Step 2: Convert to fraction form
    190,033.63/285,133.10 = 119,118.76/x
  3. Step 3: Cross multiply
    190,033.63x = 285,133.10 × 119,118.76
  4. Step 4: Simplify right side
    190,033.63x = 33,964,699,998.53
  5. Step 5: Solve for x
    x = 33,964,699,998.53/190,033.63
  6. Step 6: Final answer
    x = 178,729.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.