Home / 163,619.24-245,429.19-45,290.93

Finding the Fourth Proportional to 163,619.24, 245,429.19 and 45,290.93

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Solution

The fourth proportional to 163,619.24, 245,429.19 and 45,290.93 is: 67,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,619.24 : 245,429.19 = 45,290.93 : x
  2. Step 2: Convert to fraction form
    163,619.24/245,429.19 = 45,290.93/x
  3. Step 3: Cross multiply
    163,619.24x = 245,429.19 × 45,290.93
  4. Step 4: Simplify right side
    163,619.24x = 11,115,715,037.10
  5. Step 5: Solve for x
    x = 11,115,715,037.10/163,619.24
  6. Step 6: Final answer
    x = 67,936.48

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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.