Home / 138,913.96-208,368.06-33,733.48

Finding the Fourth Proportional to 138,913.96, 208,368.06 and 33,733.48

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Solution

The fourth proportional to 138,913.96, 208,368.06 and 33,733.48 is: 50,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,913.96 : 208,368.06 = 33,733.48 : x
  2. Step 2: Convert to fraction form
    138,913.96/208,368.06 = 33,733.48/x
  3. Step 3: Cross multiply
    138,913.96x = 208,368.06 × 33,733.48
  4. Step 4: Simplify right side
    138,913.96x = 7,028,979,784.65
  5. Step 5: Solve for x
    x = 7,028,979,784.65/138,913.96
  6. Step 6: Final answer
    x = 50,599.52

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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.