Home / 188,732.51-283,011.28-70,372.07

Finding the Fourth Proportional to 188,732.51, 283,011.28 and 70,372.07

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Solution

The fourth proportional to 188,732.51, 283,011.28 and 70,372.07 is: 105,525.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,732.51 : 283,011.28 = 70,372.07 : x
  2. Step 2: Convert to fraction form
    188,732.51/283,011.28 = 70,372.07/x
  3. Step 3: Cross multiply
    188,732.51x = 283,011.28 × 70,372.07
  4. Step 4: Simplify right side
    188,732.51x = 19,916,087,840.03
  5. Step 5: Solve for x
    x = 19,916,087,840.03/188,732.51
  6. Step 6: Final answer
    x = 105,525.48

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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.