Home / 125,274.90-187,899.39-117,965.46

Finding the Fourth Proportional to 125,274.90, 187,899.39 and 117,965.46

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Solution

The fourth proportional to 125,274.90, 187,899.39 and 117,965.46 is: 176,935.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,274.90 : 187,899.39 = 117,965.46 : x
  2. Step 2: Convert to fraction form
    125,274.90/187,899.39 = 117,965.46/x
  3. Step 3: Cross multiply
    125,274.90x = 187,899.39 × 117,965.46
  4. Step 4: Simplify right side
    125,274.90x = 22,165,637,975.07
  5. Step 5: Solve for x
    x = 22,165,637,975.07/125,274.90
  6. Step 6: Final answer
    x = 176,935.99

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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.