Home / 149,857.06-224,896.20-70,971.16

Finding the Fourth Proportional to 149,857.06, 224,896.20 and 70,971.16

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Solution

The fourth proportional to 149,857.06, 224,896.20 and 70,971.16 is: 106,509.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,857.06 : 224,896.20 = 70,971.16 : x
  2. Step 2: Convert to fraction form
    149,857.06/224,896.20 = 70,971.16/x
  3. Step 3: Cross multiply
    149,857.06x = 224,896.20 × 70,971.16
  4. Step 4: Simplify right side
    149,857.06x = 15,961,144,193.59
  5. Step 5: Solve for x
    x = 15,961,144,193.59/149,857.06
  6. Step 6: Final answer
    x = 106,509.12

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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.