Home / 136,523.02-188,402.64-76,097.49

Finding the Fourth Proportional to 136,523.02, 188,402.64 and 76,097.49

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Solution

The fourth proportional to 136,523.02, 188,402.64 and 76,097.49 is: 105,015.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,523.02 : 188,402.64 = 76,097.49 : x
  2. Step 2: Convert to fraction form
    136,523.02/188,402.64 = 76,097.49/x
  3. Step 3: Cross multiply
    136,523.02x = 188,402.64 × 76,097.49
  4. Step 4: Simplify right side
    136,523.02x = 14,336,968,013.37
  5. Step 5: Solve for x
    x = 14,336,968,013.37/136,523.02
  6. Step 6: Final answer
    x = 105,015.02

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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.