Home / 144,307.44-199,015.29-90,597.47

Finding the Fourth Proportional to 144,307.44, 199,015.29 and 90,597.47

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Solution

The fourth proportional to 144,307.44, 199,015.29 and 90,597.47 is: 124,943.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,307.44 : 199,015.29 = 90,597.47 : x
  2. Step 2: Convert to fraction form
    144,307.44/199,015.29 = 90,597.47/x
  3. Step 3: Cross multiply
    144,307.44x = 199,015.29 × 90,597.47
  4. Step 4: Simplify right side
    144,307.44x = 18,030,280,770.24
  5. Step 5: Solve for x
    x = 18,030,280,770.24/144,307.44
  6. Step 6: Final answer
    x = 124,943.53

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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.