Home / 111,640.19-167,285.25-94,931.51

Finding the Fourth Proportional to 111,640.19, 167,285.25 and 94,931.51

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Solution

The fourth proportional to 111,640.19, 167,285.25 and 94,931.51 is: 142,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,640.19 : 167,285.25 = 94,931.51 : x
  2. Step 2: Convert to fraction form
    111,640.19/167,285.25 = 94,931.51/x
  3. Step 3: Cross multiply
    111,640.19x = 167,285.25 × 94,931.51
  4. Step 4: Simplify right side
    111,640.19x = 15,880,641,383.23
  5. Step 5: Solve for x
    x = 15,880,641,383.23/111,640.19
  6. Step 6: Final answer
    x = 142,248.43

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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.