Home / 144,430.06-199,309.74-79,901.68

Finding the Fourth Proportional to 144,430.06, 199,309.74 and 79,901.68

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Solution

The fourth proportional to 144,430.06, 199,309.74 and 79,901.68 is: 110,262.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,430.06 : 199,309.74 = 79,901.68 : x
  2. Step 2: Convert to fraction form
    144,430.06/199,309.74 = 79,901.68/x
  3. Step 3: Cross multiply
    144,430.06x = 199,309.74 × 79,901.68
  4. Step 4: Simplify right side
    144,430.06x = 15,925,183,066.36
  5. Step 5: Solve for x
    x = 15,925,183,066.36/144,430.06
  6. Step 6: Final answer
    x = 110,262.25

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1.5x scale

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.