Home / 188,965.02-282,781.80-117,921.08

Finding the Fourth Proportional to 188,965.02, 282,781.80 and 117,921.08

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Solution

The fourth proportional to 188,965.02, 282,781.80 and 117,921.08 is: 176,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,965.02 : 282,781.80 = 117,921.08 : x
  2. Step 2: Convert to fraction form
    188,965.02/282,781.80 = 117,921.08/x
  3. Step 3: Cross multiply
    188,965.02x = 282,781.80 × 117,921.08
  4. Step 4: Simplify right side
    188,965.02x = 33,345,935,260.34
  5. Step 5: Solve for x
    x = 33,345,935,260.34/188,965.02
  6. Step 6: Final answer
    x = 176,466.18

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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.