Home / 355,628.36-533,331.56-118,915.79

Finding the Fourth Proportional to 355,628.36, 533,331.56 and 118,915.79

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Solution

The fourth proportional to 355,628.36, 533,331.56 and 118,915.79 is: 178,336.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,628.36 : 533,331.56 = 118,915.79 : x
  2. Step 2: Convert to fraction form
    355,628.36/533,331.56 = 118,915.79/x
  3. Step 3: Cross multiply
    355,628.36x = 533,331.56 × 118,915.79
  4. Step 4: Simplify right side
    355,628.36x = 63,421,540,528.10
  5. Step 5: Solve for x
    x = 63,421,540,528.10/355,628.36
  6. Step 6: Final answer
    x = 178,336.57

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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.