Home / 144,755.12-199,837.69-112,417.20

Finding the Fourth Proportional to 144,755.12, 199,837.69 and 112,417.20

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Solution

The fourth proportional to 144,755.12, 199,837.69 and 112,417.20 is: 155,194.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,755.12 : 199,837.69 = 112,417.20 : x
  2. Step 2: Convert to fraction form
    144,755.12/199,837.69 = 112,417.20/x
  3. Step 3: Cross multiply
    144,755.12x = 199,837.69 × 112,417.20
  4. Step 4: Simplify right side
    144,755.12x = 22,465,193,283.23
  5. Step 5: Solve for x
    x = 22,465,193,283.23/144,755.12
  6. Step 6: Final answer
    x = 155,194.46

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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.