Home / 331,897.40-458,059.56-202,809.32

Finding the Fourth Proportional to 331,897.40, 458,059.56 and 202,809.32

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Solution

The fourth proportional to 331,897.40, 458,059.56 and 202,809.32 is: 279,902.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,897.40 : 458,059.56 = 202,809.32 : x
  2. Step 2: Convert to fraction form
    331,897.40/458,059.56 = 202,809.32/x
  3. Step 3: Cross multiply
    331,897.40x = 458,059.56 × 202,809.32
  4. Step 4: Simplify right side
    331,897.40x = 92,898,747,883.10
  5. Step 5: Solve for x
    x = 92,898,747,883.10/331,897.40
  6. Step 6: Final answer
    x = 279,902.01

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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.