Home / 258,903.21-357,214.23-166,983.60

Finding the Fourth Proportional to 258,903.21, 357,214.23 and 166,983.60

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Solution

The fourth proportional to 258,903.21, 357,214.23 and 166,983.60 is: 230,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,903.21 : 357,214.23 = 166,983.60 : x
  2. Step 2: Convert to fraction form
    258,903.21/357,214.23 = 166,983.60/x
  3. Step 3: Cross multiply
    258,903.21x = 357,214.23 × 166,983.60
  4. Step 4: Simplify right side
    258,903.21x = 59,648,918,096.63
  5. Step 5: Solve for x
    x = 59,648,918,096.63/258,903.21
  6. Step 6: Final answer
    x = 230,390.80

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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.