Home / 352,946.66-529,523.90-128,303.55

Finding the Fourth Proportional to 352,946.66, 529,523.90 and 128,303.55

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Solution

The fourth proportional to 352,946.66, 529,523.90 and 128,303.55 is: 192,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,946.66 : 529,523.90 = 128,303.55 : x
  2. Step 2: Convert to fraction form
    352,946.66/529,523.90 = 128,303.55/x
  3. Step 3: Cross multiply
    352,946.66x = 529,523.90 × 128,303.55
  4. Step 4: Simplify right side
    352,946.66x = 67,939,795,538.33
  5. Step 5: Solve for x
    x = 67,939,795,538.33/352,946.66
  6. Step 6: Final answer
    x = 192,493.10

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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.