Home / 219,157.14-302,433.91-122,362.48

Finding the Fourth Proportional to 219,157.14, 302,433.91 and 122,362.48

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Solution

The fourth proportional to 219,157.14, 302,433.91 and 122,362.48 is: 168,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,157.14 : 302,433.91 = 122,362.48 : x
  2. Step 2: Convert to fraction form
    219,157.14/302,433.91 = 122,362.48/x
  3. Step 3: Cross multiply
    219,157.14x = 302,433.91 × 122,362.48
  4. Step 4: Simplify right side
    219,157.14x = 37,006,562,201.71
  5. Step 5: Solve for x
    x = 37,006,562,201.71/219,157.14
  6. Step 6: Final answer
    x = 168,858.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.