Home / 282,227.78-423,415.44-163,785.26

Finding the Fourth Proportional to 282,227.78, 423,415.44 and 163,785.26

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Solution

The fourth proportional to 282,227.78, 423,415.44 and 163,785.26 is: 245,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,227.78 : 423,415.44 = 163,785.26 : x
  2. Step 2: Convert to fraction form
    282,227.78/423,415.44 = 163,785.26/x
  3. Step 3: Cross multiply
    282,227.78x = 423,415.44 × 163,785.26
  4. Step 4: Simplify right side
    282,227.78x = 69,349,205,811.34
  5. Step 5: Solve for x
    x = 69,349,205,811.34/282,227.78
  6. Step 6: Final answer
    x = 245,720.70

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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.