Home / 234,450.36-323,541.81-127,020.40

Finding the Fourth Proportional to 234,450.36, 323,541.81 and 127,020.40

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Solution

The fourth proportional to 234,450.36, 323,541.81 and 127,020.40 is: 175,288.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,450.36 : 323,541.81 = 127,020.40 : x
  2. Step 2: Convert to fraction form
    234,450.36/323,541.81 = 127,020.40/x
  3. Step 3: Cross multiply
    234,450.36x = 323,541.81 × 127,020.40
  4. Step 4: Simplify right side
    234,450.36x = 41,096,409,314.07
  5. Step 5: Solve for x
    x = 41,096,409,314.07/234,450.36
  6. Step 6: Final answer
    x = 175,288.32

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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.