Home / 312,544.19-431,313.06-169,304.24

Finding the Fourth Proportional to 312,544.19, 431,313.06 and 169,304.24

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Solution

The fourth proportional to 312,544.19, 431,313.06 and 169,304.24 is: 233,640.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,544.19 : 431,313.06 = 169,304.24 : x
  2. Step 2: Convert to fraction form
    312,544.19/431,313.06 = 169,304.24/x
  3. Step 3: Cross multiply
    312,544.19x = 431,313.06 × 169,304.24
  4. Step 4: Simplify right side
    312,544.19x = 73,023,129,825.37
  5. Step 5: Solve for x
    x = 73,023,129,825.37/312,544.19
  6. Step 6: Final answer
    x = 233,640.98

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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.