Home / 144,581.48-199,382.46-112,738.76

Finding the Fourth Proportional to 144,581.48, 199,382.46 and 112,738.76

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Solution

The fourth proportional to 144,581.48, 199,382.46 and 112,738.76 is: 155,470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,581.48 : 199,382.46 = 112,738.76 : x
  2. Step 2: Convert to fraction form
    144,581.48/199,382.46 = 112,738.76/x
  3. Step 3: Cross multiply
    144,581.48x = 199,382.46 × 112,738.76
  4. Step 4: Simplify right side
    144,581.48x = 22,478,130,309.24
  5. Step 5: Solve for x
    x = 22,478,130,309.24/144,581.48
  6. Step 6: Final answer
    x = 155,470.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.