Home / 144,314.59-199,136.88-79,775.13

Finding the Fourth Proportional to 144,314.59, 199,136.88 and 79,775.13

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Solution

The fourth proportional to 144,314.59, 199,136.88 and 79,775.13 is: 110,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,314.59 : 199,136.88 = 79,775.13 : x
  2. Step 2: Convert to fraction form
    144,314.59/199,136.88 = 79,775.13/x
  3. Step 3: Cross multiply
    144,314.59x = 199,136.88 × 79,775.13
  4. Step 4: Simplify right side
    144,314.59x = 15,886,170,489.79
  5. Step 5: Solve for x
    x = 15,886,170,489.79/144,314.59
  6. Step 6: Final answer
    x = 110,080.14

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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.