Home / 268,277.02-402,415.61-99,775.33

Finding the Fourth Proportional to 268,277.02, 402,415.61 and 99,775.33

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Solution

The fourth proportional to 268,277.02, 402,415.61 and 99,775.33 is: 149,663.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,277.02 : 402,415.61 = 99,775.33 : x
  2. Step 2: Convert to fraction form
    268,277.02/402,415.61 = 99,775.33/x
  3. Step 3: Cross multiply
    268,277.02x = 402,415.61 × 99,775.33
  4. Step 4: Simplify right side
    268,277.02x = 40,151,150,284.90
  5. Step 5: Solve for x
    x = 40,151,150,284.90/268,277.02
  6. Step 6: Final answer
    x = 149,663.02

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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.