Home / 157,440.40-236,160.60-126,336.40

Finding the Fourth Proportional to 157,440.40, 236,160.60 and 126,336.40

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Solution

The fourth proportional to 157,440.40, 236,160.60 and 126,336.40 is: 189,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,440.40 : 236,160.60 = 126,336.40 : x
  2. Step 2: Convert to fraction form
    157,440.40/236,160.60 = 126,336.40/x
  3. Step 3: Cross multiply
    157,440.40x = 236,160.60 × 126,336.40
  4. Step 4: Simplify right side
    157,440.40x = 29,835,680,025.84
  5. Step 5: Solve for x
    x = 29,835,680,025.84/157,440.40
  6. Step 6: Final answer
    x = 189,504.60

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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.