Home / 121,263.71-181,851.21-46,346.81

Finding the Fourth Proportional to 121,263.71, 181,851.21 and 46,346.81

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Solution

The fourth proportional to 121,263.71, 181,851.21 and 46,346.81 is: 69,503.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,263.71 : 181,851.21 = 46,346.81 : x
  2. Step 2: Convert to fraction form
    121,263.71/181,851.21 = 46,346.81/x
  3. Step 3: Cross multiply
    121,263.71x = 181,851.21 × 46,346.81
  4. Step 4: Simplify right side
    121,263.71x = 8,428,222,568.88
  5. Step 5: Solve for x
    x = 8,428,222,568.88/121,263.71
  6. Step 6: Final answer
    x = 69,503.26

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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.