Home / 104,629.02-144,419.67-71,114.46

Finding the Fourth Proportional to 104,629.02, 144,419.67 and 71,114.46

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Solution

The fourth proportional to 104,629.02, 144,419.67 and 71,114.46 is: 98,159.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,629.02 : 144,419.67 = 71,114.46 : x
  2. Step 2: Convert to fraction form
    104,629.02/144,419.67 = 71,114.46/x
  3. Step 3: Cross multiply
    104,629.02x = 144,419.67 × 71,114.46
  4. Step 4: Simplify right side
    104,629.02x = 10,270,326,845.43
  5. Step 5: Solve for x
    x = 10,270,326,845.43/104,629.02
  6. Step 6: Final answer
    x = 98,159.45

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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.