Home / 219,059.36-302,289.32-123,560.36

Finding the Fourth Proportional to 219,059.36, 302,289.32 and 123,560.36

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Solution

The fourth proportional to 219,059.36, 302,289.32 and 123,560.36 is: 170,506.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,059.36 : 302,289.32 = 123,560.36 : x
  2. Step 2: Convert to fraction form
    219,059.36/302,289.32 = 123,560.36/x
  3. Step 3: Cross multiply
    219,059.36x = 302,289.32 × 123,560.36
  4. Step 4: Simplify right side
    219,059.36x = 37,350,977,203.36
  5. Step 5: Solve for x
    x = 37,350,977,203.36/219,059.36
  6. Step 6: Final answer
    x = 170,506.19

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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.