Home / 289,109.09-398,588.28-237,236.18

Finding the Fourth Proportional to 289,109.09, 398,588.28 and 237,236.18

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Solution

The fourth proportional to 289,109.09, 398,588.28 and 237,236.18 is: 327,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,109.09 : 398,588.28 = 237,236.18 : x
  2. Step 2: Convert to fraction form
    289,109.09/398,588.28 = 237,236.18/x
  3. Step 3: Cross multiply
    289,109.09x = 398,588.28 × 237,236.18
  4. Step 4: Simplify right side
    289,109.09x = 94,559,560,939.97
  5. Step 5: Solve for x
    x = 94,559,560,939.97/289,109.09
  6. Step 6: Final answer
    x = 327,072.25

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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.