Home / 144,341.06-199,182.63-79,806.56

Finding the Fourth Proportional to 144,341.06, 199,182.63 and 79,806.56

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Solution

The fourth proportional to 144,341.06, 199,182.63 and 79,806.56 is: 110,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,341.06 : 199,182.63 = 79,806.56 : x
  2. Step 2: Convert to fraction form
    144,341.06/199,182.63 = 79,806.56/x
  3. Step 3: Cross multiply
    144,341.06x = 199,182.63 × 79,806.56
  4. Step 4: Simplify right side
    144,341.06x = 15,896,079,117.11
  5. Step 5: Solve for x
    x = 15,896,079,117.11/144,341.06
  6. Step 6: Final answer
    x = 110,128.60

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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.