Home / 312,029.31-430,602.56-191,170.83

Finding the Fourth Proportional to 312,029.31, 430,602.56 and 191,170.83

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Solution

The fourth proportional to 312,029.31, 430,602.56 and 191,170.83 is: 263,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,029.31 : 430,602.56 = 191,170.83 : x
  2. Step 2: Convert to fraction form
    312,029.31/430,602.56 = 191,170.83/x
  3. Step 3: Cross multiply
    312,029.31x = 430,602.56 × 191,170.83
  4. Step 4: Simplify right side
    312,029.31x = 82,318,648,795.32
  5. Step 5: Solve for x
    x = 82,318,648,795.32/312,029.31
  6. Step 6: Final answer
    x = 263,817.04

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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.