Home / 141,808.04-195,692.59-77,277.86

Finding the Fourth Proportional to 141,808.04, 195,692.59 and 77,277.86

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Solution

The fourth proportional to 141,808.04, 195,692.59 and 77,277.86 is: 106,642.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,808.04 : 195,692.59 = 77,277.86 : x
  2. Step 2: Convert to fraction form
    141,808.04/195,692.59 = 77,277.86/x
  3. Step 3: Cross multiply
    141,808.04x = 195,692.59 × 77,277.86
  4. Step 4: Simplify right side
    141,808.04x = 15,122,704,425.04
  5. Step 5: Solve for x
    x = 15,122,704,425.04/141,808.04
  6. Step 6: Final answer
    x = 106,642.08

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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.