Home / 234,568.89-323,703.21-127,136.16

Finding the Fourth Proportional to 234,568.89, 323,703.21 and 127,136.16

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Solution

The fourth proportional to 234,568.89, 323,703.21 and 127,136.16 is: 175,446.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,568.89 : 323,703.21 = 127,136.16 : x
  2. Step 2: Convert to fraction form
    234,568.89/323,703.21 = 127,136.16/x
  3. Step 3: Cross multiply
    234,568.89x = 323,703.21 × 127,136.16
  4. Step 4: Simplify right side
    234,568.89x = 41,154,383,099.07
  5. Step 5: Solve for x
    x = 41,154,383,099.07/234,568.89
  6. Step 6: Final answer
    x = 175,446.89

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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.