Home / 302,078.58-453,088.56-91,718.34

Finding the Fourth Proportional to 302,078.58, 453,088.56 and 91,718.34

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Solution

The fourth proportional to 302,078.58, 453,088.56 and 91,718.34 is: 137,568.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,078.58 : 453,088.56 = 91,718.34 : x
  2. Step 2: Convert to fraction form
    302,078.58/453,088.56 = 91,718.34/x
  3. Step 3: Cross multiply
    302,078.58x = 453,088.56 × 91,718.34
  4. Step 4: Simplify right side
    302,078.58x = 41,556,530,596.19
  5. Step 5: Solve for x
    x = 41,556,530,596.19/302,078.58
  6. Step 6: Final answer
    x = 137,568.61

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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.