Home / 325,830.10-488,599.35-126,084.10

Finding the Fourth Proportional to 325,830.10, 488,599.35 and 126,084.10

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Solution

The fourth proportional to 325,830.10, 488,599.35 and 126,084.10 is: 189,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,830.10 : 488,599.35 = 126,084.10 : x
  2. Step 2: Convert to fraction form
    325,830.10/488,599.35 = 126,084.10/x
  3. Step 3: Cross multiply
    325,830.10x = 488,599.35 × 126,084.10
  4. Step 4: Simplify right side
    325,830.10x = 61,604,609,305.34
  5. Step 5: Solve for x
    x = 61,604,609,305.34/325,830.10
  6. Step 6: Final answer
    x = 189,069.73

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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.