Home / 104,945.16-144,820.08-57,197.48

Finding the Fourth Proportional to 104,945.16, 144,820.08 and 57,197.48

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Solution

The fourth proportional to 104,945.16, 144,820.08 and 57,197.48 is: 78,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,945.16 : 144,820.08 = 57,197.48 : x
  2. Step 2: Convert to fraction form
    104,945.16/144,820.08 = 57,197.48/x
  3. Step 3: Cross multiply
    104,945.16x = 144,820.08 × 57,197.48
  4. Step 4: Simplify right side
    104,945.16x = 8,283,343,629.40
  5. Step 5: Solve for x
    x = 8,283,343,629.40/104,945.16
  6. Step 6: Final answer
    x = 78,930.21

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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.