Home / 218,635.07-328,127.56-113,484.11

Finding the Fourth Proportional to 218,635.07, 328,127.56 and 113,484.11

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Solution

The fourth proportional to 218,635.07, 328,127.56 and 113,484.11 is: 170,316.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,635.07 : 328,127.56 = 113,484.11 : x
  2. Step 2: Convert to fraction form
    218,635.07/328,127.56 = 113,484.11/x
  3. Step 3: Cross multiply
    218,635.07x = 328,127.56 × 113,484.11
  4. Step 4: Simplify right side
    218,635.07x = 37,237,262,188.72
  5. Step 5: Solve for x
    x = 37,237,262,188.72/218,635.07
  6. Step 6: Final answer
    x = 170,316.97

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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.