Home / 147,795.39-203,957.64-80,727.39

Finding the Fourth Proportional to 147,795.39, 203,957.64 and 80,727.39

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Solution

The fourth proportional to 147,795.39, 203,957.64 and 80,727.39 is: 111,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,795.39 : 203,957.64 = 80,727.39 : x
  2. Step 2: Convert to fraction form
    147,795.39/203,957.64 = 80,727.39/x
  3. Step 3: Cross multiply
    147,795.39x = 203,957.64 × 80,727.39
  4. Step 4: Simplify right side
    147,795.39x = 16,464,967,947.76
  5. Step 5: Solve for x
    x = 16,464,967,947.76/147,795.39
  6. Step 6: Final answer
    x = 111,403.80

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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.