Home / 190,033.49-285,132.91-119,118.63

Finding the Fourth Proportional to 190,033.49, 285,132.91 and 119,118.63

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Solution

The fourth proportional to 190,033.49, 285,132.91 and 119,118.63 is: 178,729.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,033.49 : 285,132.91 = 119,118.63 : x
  2. Step 2: Convert to fraction form
    190,033.49/285,132.91 = 119,118.63/x
  3. Step 3: Cross multiply
    190,033.49x = 285,132.91 × 119,118.63
  4. Step 4: Simplify right side
    190,033.49x = 33,964,641,607.11
  5. Step 5: Solve for x
    x = 33,964,641,607.11/190,033.49
  6. Step 6: Final answer
    x = 178,729.77

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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.