Home / 121,303.83-181,966.71-46,420.95

Finding the Fourth Proportional to 121,303.83, 181,966.71 and 46,420.95

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Solution

The fourth proportional to 121,303.83, 181,966.71 and 46,420.95 is: 69,635.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,303.83 : 181,966.71 = 46,420.95 : x
  2. Step 2: Convert to fraction form
    121,303.83/181,966.71 = 46,420.95/x
  3. Step 3: Cross multiply
    121,303.83x = 181,966.71 × 46,420.95
  4. Step 4: Simplify right side
    121,303.83x = 8,447,067,546.57
  5. Step 5: Solve for x
    x = 8,447,067,546.57/121,303.83
  6. Step 6: Final answer
    x = 69,635.62

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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.