Home / 205,475.10-283,576.05-120,590.34

Finding the Fourth Proportional to 205,475.10, 283,576.05 and 120,590.34

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Solution

The fourth proportional to 205,475.10, 283,576.05 and 120,590.34 is: 166,426.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,475.10 : 283,576.05 = 120,590.34 : x
  2. Step 2: Convert to fraction form
    205,475.10/283,576.05 = 120,590.34/x
  3. Step 3: Cross multiply
    205,475.10x = 283,576.05 × 120,590.34
  4. Step 4: Simplify right side
    205,475.10x = 34,196,532,285.36
  5. Step 5: Solve for x
    x = 34,196,532,285.36/205,475.10
  6. Step 6: Final answer
    x = 166,426.65

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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.