Home / 199,561.07-299,182.65-115,225.57

Finding the Fourth Proportional to 199,561.07, 299,182.65 and 115,225.57

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Solution

The fourth proportional to 199,561.07, 299,182.65 and 115,225.57 is: 172,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,561.07 : 299,182.65 = 115,225.57 : x
  2. Step 2: Convert to fraction form
    199,561.07/299,182.65 = 115,225.57/x
  3. Step 3: Cross multiply
    199,561.07x = 299,182.65 × 115,225.57
  4. Step 4: Simplify right side
    199,561.07x = 34,473,491,380.36
  5. Step 5: Solve for x
    x = 34,473,491,380.36/199,561.07
  6. Step 6: Final answer
    x = 172,746.58

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1.5x scale

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.