Home / 355,631.72-533,336.82-118,919.02

Finding the Fourth Proportional to 355,631.72, 533,336.82 and 118,919.02

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Solution

The fourth proportional to 355,631.72, 533,336.82 and 118,919.02 is: 178,341.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,631.72 : 533,336.82 = 118,919.02 : x
  2. Step 2: Convert to fraction form
    355,631.72/533,336.82 = 118,919.02/x
  3. Step 3: Cross multiply
    355,631.72x = 533,336.82 × 118,919.02
  4. Step 4: Simplify right side
    355,631.72x = 63,423,891,964.32
  5. Step 5: Solve for x
    x = 63,423,891,964.32/355,631.72
  6. Step 6: Final answer
    x = 178,341.49

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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.