Home / 144,643.04-199,541.09-93,672.20

Finding the Fourth Proportional to 144,643.04, 199,541.09 and 93,672.20

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Solution

The fourth proportional to 144,643.04, 199,541.09 and 93,672.20 is: 129,224.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,643.04 : 199,541.09 = 93,672.20 : x
  2. Step 2: Convert to fraction form
    144,643.04/199,541.09 = 93,672.20/x
  3. Step 3: Cross multiply
    144,643.04x = 199,541.09 × 93,672.20
  4. Step 4: Simplify right side
    144,643.04x = 18,691,451,424.63
  5. Step 5: Solve for x
    x = 18,691,451,424.63/144,643.04
  6. Step 6: Final answer
    x = 129,224.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.