Home / 188,698.19-283,038.04-70,360.28

Finding the Fourth Proportional to 188,698.19, 283,038.04 and 70,360.28

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Solution

The fourth proportional to 188,698.19, 283,038.04 and 70,360.28 is: 105,536.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,698.19 : 283,038.04 = 70,360.28 : x
  2. Step 2: Convert to fraction form
    188,698.19/283,038.04 = 70,360.28/x
  3. Step 3: Cross multiply
    188,698.19x = 283,038.04 × 70,360.28
  4. Step 4: Simplify right side
    188,698.19x = 19,914,633,978.06
  5. Step 5: Solve for x
    x = 19,914,633,978.06/188,698.19
  6. Step 6: Final answer
    x = 105,536.96

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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.