Home / 104,715.82-144,443.02-91,319.23

Finding the Fourth Proportional to 104,715.82, 144,443.02 and 91,319.23

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Solution

The fourth proportional to 104,715.82, 144,443.02 and 91,319.23 is: 125,964.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,715.82 : 144,443.02 = 91,319.23 : x
  2. Step 2: Convert to fraction form
    104,715.82/144,443.02 = 91,319.23/x
  3. Step 3: Cross multiply
    104,715.82x = 144,443.02 × 91,319.23
  4. Step 4: Simplify right side
    104,715.82x = 13,190,425,365.27
  5. Step 5: Solve for x
    x = 13,190,425,365.27/104,715.82
  6. Step 6: Final answer
    x = 125,964.02

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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.