Home / 223,941.36-309,024.90-123,339.36

Finding the Fourth Proportional to 223,941.36, 309,024.90 and 123,339.36

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Solution

The fourth proportional to 223,941.36, 309,024.90 and 123,339.36 is: 170,200.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,941.36 : 309,024.90 = 123,339.36 : x
  2. Step 2: Convert to fraction form
    223,941.36/309,024.90 = 123,339.36/x
  3. Step 3: Cross multiply
    223,941.36x = 309,024.90 × 123,339.36
  4. Step 4: Simplify right side
    223,941.36x = 38,114,933,390.06
  5. Step 5: Solve for x
    x = 38,114,933,390.06/223,941.36
  6. Step 6: Final answer
    x = 170,200.51

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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.