Home / 283,221.54-390,883.05-170,051.58

Finding the Fourth Proportional to 283,221.54, 390,883.05 and 170,051.58

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Solution

The fourth proportional to 283,221.54, 390,883.05 and 170,051.58 is: 234,693.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,221.54 : 390,883.05 = 170,051.58 : x
  2. Step 2: Convert to fraction form
    283,221.54/390,883.05 = 170,051.58/x
  3. Step 3: Cross multiply
    283,221.54x = 390,883.05 × 170,051.58
  4. Step 4: Simplify right side
    283,221.54x = 66,470,280,247.72
  5. Step 5: Solve for x
    x = 66,470,280,247.72/283,221.54
  6. Step 6: Final answer
    x = 234,693.59

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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.