Home / 140,113.69-210,172.37-46,619.44

Finding the Fourth Proportional to 140,113.69, 210,172.37 and 46,619.44

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Solution

The fourth proportional to 140,113.69, 210,172.37 and 46,619.44 is: 69,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,113.69 : 210,172.37 = 46,619.44 : x
  2. Step 2: Convert to fraction form
    140,113.69/210,172.37 = 46,619.44/x
  3. Step 3: Cross multiply
    140,113.69x = 210,172.37 × 46,619.44
  4. Step 4: Simplify right side
    140,113.69x = 9,798,117,434.34
  5. Step 5: Solve for x
    x = 9,798,117,434.34/140,113.69
  6. Step 6: Final answer
    x = 69,929.77

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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.