Home / 289,109.58-398,588.97-237,236.69

Finding the Fourth Proportional to 289,109.58, 398,588.97 and 237,236.69

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Solution

The fourth proportional to 289,109.58, 398,588.97 and 237,236.69 is: 327,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,109.58 : 398,588.97 = 237,236.69 : x
  2. Step 2: Convert to fraction form
    289,109.58/398,588.97 = 237,236.69/x
  3. Step 3: Cross multiply
    289,109.58x = 398,588.97 × 237,236.69
  4. Step 4: Simplify right side
    289,109.58x = 94,559,925,920.36
  5. Step 5: Solve for x
    x = 94,559,925,920.36/289,109.58
  6. Step 6: Final answer
    x = 327,072.96

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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.