Home / 186,926.40-280,389.60-112,276.80

Finding the Fourth Proportional to 186,926.40, 280,389.60 and 112,276.80

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Solution

The fourth proportional to 186,926.40, 280,389.60 and 112,276.80 is: 168,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,926.40 : 280,389.60 = 112,276.80 : x
  2. Step 2: Convert to fraction form
    186,926.40/280,389.60 = 112,276.80/x
  3. Step 3: Cross multiply
    186,926.40x = 280,389.60 × 112,276.80
  4. Step 4: Simplify right side
    186,926.40x = 31,481,247,041.28
  5. Step 5: Solve for x
    x = 31,481,247,041.28/186,926.40
  6. Step 6: Final answer
    x = 168,415.20

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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.