Home / 103,101.77-154,652.73-28,222.53

Finding the Fourth Proportional to 103,101.77, 154,652.73 and 28,222.53

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Solution

The fourth proportional to 103,101.77, 154,652.73 and 28,222.53 is: 42,333.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,101.77 : 154,652.73 = 28,222.53 : x
  2. Step 2: Convert to fraction form
    103,101.77/154,652.73 = 28,222.53/x
  3. Step 3: Cross multiply
    103,101.77x = 154,652.73 × 28,222.53
  4. Step 4: Simplify right side
    103,101.77x = 4,364,691,312.01
  5. Step 5: Solve for x
    x = 4,364,691,312.01/103,101.77
  6. Step 6: Final answer
    x = 42,333.82

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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.