Home / 141,051.83-194,651.75-77,390.08

Finding the Fourth Proportional to 141,051.83, 194,651.75 and 77,390.08

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Solution

The fourth proportional to 141,051.83, 194,651.75 and 77,390.08 is: 106,798.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,051.83 : 194,651.75 = 77,390.08 : x
  2. Step 2: Convert to fraction form
    141,051.83/194,651.75 = 77,390.08/x
  3. Step 3: Cross multiply
    141,051.83x = 194,651.75 × 77,390.08
  4. Step 4: Simplify right side
    141,051.83x = 15,064,114,211.49
  5. Step 5: Solve for x
    x = 15,064,114,211.49/141,051.83
  6. Step 6: Final answer
    x = 106,798.44

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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.