Home / 122,607-182,837.57-121,485.95

Finding the Fourth Proportional to 122,607, 182,837.57 and 121,485.95

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Solution

The fourth proportional to 122,607, 182,837.57 and 121,485.95 is: 181,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,607 : 182,837.57 = 121,485.95 : x
  2. Step 2: Convert to fraction form
    122,607/182,837.57 = 121,485.95/x
  3. Step 3: Cross multiply
    122,607x = 182,837.57 × 121,485.95
  4. Step 4: Simplify right side
    122,607x = 22,212,194,365.52
  5. Step 5: Solve for x
    x = 22,212,194,365.52/122,607
  6. Step 6: Final answer
    x = 181,165.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.