Home / 331,948.16-458,086.36-188,708.20

Finding the Fourth Proportional to 331,948.16, 458,086.36 and 188,708.20

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Solution

The fourth proportional to 331,948.16, 458,086.36 and 188,708.20 is: 260,416.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,948.16 : 458,086.36 = 188,708.20 : x
  2. Step 2: Convert to fraction form
    331,948.16/458,086.36 = 188,708.20/x
  3. Step 3: Cross multiply
    331,948.16x = 458,086.36 × 188,708.20
  4. Step 4: Simplify right side
    331,948.16x = 86,444,652,440.15
  5. Step 5: Solve for x
    x = 86,444,652,440.15/331,948.16
  6. Step 6: Final answer
    x = 260,416.12

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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.