Home / 169,233.72-253,857.59-139,596.36

Finding the Fourth Proportional to 169,233.72, 253,857.59 and 139,596.36

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Solution

The fourth proportional to 169,233.72, 253,857.59 and 139,596.36 is: 209,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,233.72 : 253,857.59 = 139,596.36 : x
  2. Step 2: Convert to fraction form
    169,233.72/253,857.59 = 139,596.36/x
  3. Step 3: Cross multiply
    169,233.72x = 253,857.59 × 139,596.36
  4. Step 4: Simplify right side
    169,233.72x = 35,437,595,522.37
  5. Step 5: Solve for x
    x = 35,437,595,522.37/169,233.72
  6. Step 6: Final answer
    x = 209,400.32

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1.5x scale

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.