Home / 207,099.24-285,818.60-126,580.40

Finding the Fourth Proportional to 207,099.24, 285,818.60 and 126,580.40

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Solution

The fourth proportional to 207,099.24, 285,818.60 and 126,580.40 is: 174,694.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,099.24 : 285,818.60 = 126,580.40 : x
  2. Step 2: Convert to fraction form
    207,099.24/285,818.60 = 126,580.40/x
  3. Step 3: Cross multiply
    207,099.24x = 285,818.60 × 126,580.40
  4. Step 4: Simplify right side
    207,099.24x = 36,179,030,653.45
  5. Step 5: Solve for x
    x = 36,179,030,653.45/207,099.24
  6. Step 6: Final answer
    x = 174,694.17

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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.