Home / 137,813.81-190,200.66-84,087.42

Finding the Fourth Proportional to 137,813.81, 190,200.66 and 84,087.42

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Solution

The fourth proportional to 137,813.81, 190,200.66 and 84,087.42 is: 116,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,813.81 : 190,200.66 = 84,087.42 : x
  2. Step 2: Convert to fraction form
    137,813.81/190,200.66 = 84,087.42/x
  3. Step 3: Cross multiply
    137,813.81x = 190,200.66 × 84,087.42
  4. Step 4: Simplify right side
    137,813.81x = 15,993,481,753.12
  5. Step 5: Solve for x
    x = 15,993,481,753.12/137,813.81
  6. Step 6: Final answer
    x = 116,051.38

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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.