Home / 193,400.10-290,100.15-122,541.30

Finding the Fourth Proportional to 193,400.10, 290,100.15 and 122,541.30

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Solution

The fourth proportional to 193,400.10, 290,100.15 and 122,541.30 is: 183,811.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,400.10 : 290,100.15 = 122,541.30 : x
  2. Step 2: Convert to fraction form
    193,400.10/290,100.15 = 122,541.30/x
  3. Step 3: Cross multiply
    193,400.10x = 290,100.15 × 122,541.30
  4. Step 4: Simplify right side
    193,400.10x = 35,549,249,511.20
  5. Step 5: Solve for x
    x = 35,549,249,511.20/193,400.10
  6. Step 6: Final answer
    x = 183,811.95

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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.