Home / 121,458.08-182,206.44-51,338

Finding the Fourth Proportional to 121,458.08, 182,206.44 and 51,338

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Solution

The fourth proportional to 121,458.08, 182,206.44 and 51,338 is: 77,015.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,458.08 : 182,206.44 = 51,338 : x
  2. Step 2: Convert to fraction form
    121,458.08/182,206.44 = 51,338/x
  3. Step 3: Cross multiply
    121,458.08x = 182,206.44 × 51,338
  4. Step 4: Simplify right side
    121,458.08x = 9,354,114,216.72
  5. Step 5: Solve for x
    x = 9,354,114,216.72/121,458.08
  6. Step 6: Final answer
    x = 77,015.17

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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.