Home / 125,511.63-188,266.17-30,742.23

Finding the Fourth Proportional to 125,511.63, 188,266.17 and 30,742.23

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Solution

The fourth proportional to 125,511.63, 188,266.17 and 30,742.23 is: 46,113.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,511.63 : 188,266.17 = 30,742.23 : x
  2. Step 2: Convert to fraction form
    125,511.63/188,266.17 = 30,742.23/x
  3. Step 3: Cross multiply
    125,511.63x = 188,266.17 × 30,742.23
  4. Step 4: Simplify right side
    125,511.63x = 5,787,721,899.36
  5. Step 5: Solve for x
    x = 5,787,721,899.36/125,511.63
  6. Step 6: Final answer
    x = 46,113.03

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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.