Home / 283,034.04-390,642.82-162,256.44

Finding the Fourth Proportional to 283,034.04, 390,642.82 and 162,256.44

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Solution

The fourth proportional to 283,034.04, 390,642.82 and 162,256.44 is: 223,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,034.04 : 390,642.82 = 162,256.44 : x
  2. Step 2: Convert to fraction form
    283,034.04/390,642.82 = 162,256.44/x
  3. Step 3: Cross multiply
    283,034.04x = 390,642.82 × 162,256.44
  4. Step 4: Simplify right side
    283,034.04x = 63,384,313,284.76
  5. Step 5: Solve for x
    x = 63,384,313,284.76/283,034.04
  6. Step 6: Final answer
    x = 223,945.90

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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.