Home / 121,267.71-181,857.21-46,350.81

Finding the Fourth Proportional to 121,267.71, 181,857.21 and 46,350.81

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Solution

The fourth proportional to 121,267.71, 181,857.21 and 46,350.81 is: 69,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,267.71 : 181,857.21 = 46,350.81 : x
  2. Step 2: Convert to fraction form
    121,267.71/181,857.21 = 46,350.81/x
  3. Step 3: Cross multiply
    121,267.71x = 181,857.21 × 46,350.81
  4. Step 4: Simplify right side
    121,267.71x = 8,429,228,987.84
  5. Step 5: Solve for x
    x = 8,429,228,987.84/121,267.71
  6. Step 6: Final answer
    x = 69,509.26

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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.