Home / 109,926.09-151,681.77-62,178.39

Finding the Fourth Proportional to 109,926.09, 151,681.77 and 62,178.39

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Solution

The fourth proportional to 109,926.09, 151,681.77 and 62,178.39 is: 85,797.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,926.09 : 151,681.77 = 62,178.39 : x
  2. Step 2: Convert to fraction form
    109,926.09/151,681.77 = 62,178.39/x
  3. Step 3: Cross multiply
    109,926.09x = 151,681.77 × 62,178.39
  4. Step 4: Simplify right side
    109,926.09x = 9,431,328,250.95
  5. Step 5: Solve for x
    x = 9,431,328,250.95/109,926.09
  6. Step 6: Final answer
    x = 85,797.00

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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.