Home / 161,085.83-241,536.14-66,381.38

Finding the Fourth Proportional to 161,085.83, 241,536.14 and 66,381.38

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Solution

The fourth proportional to 161,085.83, 241,536.14 and 66,381.38 is: 99,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,085.83 : 241,536.14 = 66,381.38 : x
  2. Step 2: Convert to fraction form
    161,085.83/241,536.14 = 66,381.38/x
  3. Step 3: Cross multiply
    161,085.83x = 241,536.14 × 66,381.38
  4. Step 4: Simplify right side
    161,085.83x = 16,033,501,961.17
  5. Step 5: Solve for x
    x = 16,033,501,961.17/161,085.83
  6. Step 6: Final answer
    x = 99,533.91

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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.