Home / 203,526.37-280,883.60-112,911.47

Finding the Fourth Proportional to 203,526.37, 280,883.60 and 112,911.47

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Solution

The fourth proportional to 203,526.37, 280,883.60 and 112,911.47 is: 155,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,526.37 : 280,883.60 = 112,911.47 : x
  2. Step 2: Convert to fraction form
    203,526.37/280,883.60 = 112,911.47/x
  3. Step 3: Cross multiply
    203,526.37x = 280,883.60 × 112,911.47
  4. Step 4: Simplify right side
    203,526.37x = 31,714,979,682.65
  5. Step 5: Solve for x
    x = 31,714,979,682.65/203,526.37
  6. Step 6: Final answer
    x = 155,827.37

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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.