Home / 358,020.13-536,915.33-118,080.09

Finding the Fourth Proportional to 358,020.13, 536,915.33 and 118,080.09

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Solution

The fourth proportional to 358,020.13, 536,915.33 and 118,080.09 is: 177,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,020.13 : 536,915.33 = 118,080.09 : x
  2. Step 2: Convert to fraction form
    358,020.13/536,915.33 = 118,080.09/x
  3. Step 3: Cross multiply
    358,020.13x = 536,915.33 × 118,080.09
  4. Step 4: Simplify right side
    358,020.13x = 63,399,008,770.55
  5. Step 5: Solve for x
    x = 63,399,008,770.55/358,020.13
  6. Step 6: Final answer
    x = 177,082.25

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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.