Home / 199,711.68-275,602.56-109,068.32

Finding the Fourth Proportional to 199,711.68, 275,602.56 and 109,068.32

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Solution

The fourth proportional to 199,711.68, 275,602.56 and 109,068.32 is: 150,514.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,711.68 : 275,602.56 = 109,068.32 : x
  2. Step 2: Convert to fraction form
    199,711.68/275,602.56 = 109,068.32/x
  3. Step 3: Cross multiply
    199,711.68x = 275,602.56 × 109,068.32
  4. Step 4: Simplify right side
    199,711.68x = 30,059,508,206.90
  5. Step 5: Solve for x
    x = 30,059,508,206.90/199,711.68
  6. Step 6: Final answer
    x = 150,514.52

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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.