Home / 188,700.19-283,041.03-70,362.28

Finding the Fourth Proportional to 188,700.19, 283,041.03 and 70,362.28

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Solution

The fourth proportional to 188,700.19, 283,041.03 and 70,362.28 is: 105,539.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,700.19 : 283,041.03 = 70,362.28 : x
  2. Step 2: Convert to fraction form
    188,700.19/283,041.03 = 70,362.28/x
  3. Step 3: Cross multiply
    188,700.19x = 283,041.03 × 70,362.28
  4. Step 4: Simplify right side
    188,700.19x = 19,915,412,204.35
  5. Step 5: Solve for x
    x = 19,915,412,204.35/188,700.19
  6. Step 6: Final answer
    x = 105,539.97

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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.