Home / 188,828.40-283,246.38-70,476.15

Finding the Fourth Proportional to 188,828.40, 283,246.38 and 70,476.15

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Solution

The fourth proportional to 188,828.40, 283,246.38 and 70,476.15 is: 105,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,828.40 : 283,246.38 = 70,476.15 : x
  2. Step 2: Convert to fraction form
    188,828.40/283,246.38 = 70,476.15/x
  3. Step 3: Cross multiply
    188,828.40x = 283,246.38 × 70,476.15
  4. Step 4: Simplify right side
    188,828.40x = 19,962,114,363.84
  5. Step 5: Solve for x
    x = 19,962,114,363.84/188,828.40
  6. Step 6: Final answer
    x = 105,715.64

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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.