Home / 178,634.34-268,002.27-145,666.26

Finding the Fourth Proportional to 178,634.34, 268,002.27 and 145,666.26

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Solution

The fourth proportional to 178,634.34, 268,002.27 and 145,666.26 is: 218,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,634.34 : 268,002.27 = 145,666.26 : x
  2. Step 2: Convert to fraction form
    178,634.34/268,002.27 = 145,666.26/x
  3. Step 3: Cross multiply
    178,634.34x = 268,002.27 × 145,666.26
  4. Step 4: Simplify right side
    178,634.34x = 39,038,888,342.41
  5. Step 5: Solve for x
    x = 39,038,888,342.41/178,634.34
  6. Step 6: Final answer
    x = 218,540.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.