Home / 202,063.17-278,841.77-111,417.60

Finding the Fourth Proportional to 202,063.17, 278,841.77 and 111,417.60

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Solution

The fourth proportional to 202,063.17, 278,841.77 and 111,417.60 is: 153,753.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,063.17 : 278,841.77 = 111,417.60 : x
  2. Step 2: Convert to fraction form
    202,063.17/278,841.77 = 111,417.60/x
  3. Step 3: Cross multiply
    202,063.17x = 278,841.77 × 111,417.60
  4. Step 4: Simplify right side
    202,063.17x = 31,067,880,236.06
  5. Step 5: Solve for x
    x = 31,067,880,236.06/202,063.17
  6. Step 6: Final answer
    x = 153,753.31

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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.