Home / 126,783.60-174,775-96,516.16

Finding the Fourth Proportional to 126,783.60, 174,775 and 96,516.16

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Solution

The fourth proportional to 126,783.60, 174,775 and 96,516.16 is: 133,050.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,783.60 : 174,775 = 96,516.16 : x
  2. Step 2: Convert to fraction form
    126,783.60/174,775 = 96,516.16/x
  3. Step 3: Cross multiply
    126,783.60x = 174,775 × 96,516.16
  4. Step 4: Simplify right side
    126,783.60x = 16,868,611,864
  5. Step 5: Solve for x
    x = 16,868,611,864/126,783.60
  6. Step 6: Final answer
    x = 133,050.43

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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.