Home / 203,544.19-280,924.59-112,929.33

Finding the Fourth Proportional to 203,544.19, 280,924.59 and 112,929.33

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Solution

The fourth proportional to 203,544.19, 280,924.59 and 112,929.33 is: 155,861.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,544.19 : 280,924.59 = 112,929.33 : x
  2. Step 2: Convert to fraction form
    203,544.19/280,924.59 = 112,929.33/x
  3. Step 3: Cross multiply
    203,544.19x = 280,924.59 × 112,929.33
  4. Step 4: Simplify right side
    203,544.19x = 31,724,625,729.22
  5. Step 5: Solve for x
    x = 31,724,625,729.22/203,544.19
  6. Step 6: Final answer
    x = 155,861.12

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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.