Home / 202,064.22-278,780.94-130,492.62

Finding the Fourth Proportional to 202,064.22, 278,780.94 and 130,492.62

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Solution

The fourth proportional to 202,064.22, 278,780.94 and 130,492.62 is: 180,036.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,064.22 : 278,780.94 = 130,492.62 : x
  2. Step 2: Convert to fraction form
    202,064.22/278,780.94 = 130,492.62/x
  3. Step 3: Cross multiply
    202,064.22x = 278,780.94 × 130,492.62
  4. Step 4: Simplify right side
    202,064.22x = 36,378,855,266.66
  5. Step 5: Solve for x
    x = 36,378,855,266.66/202,064.22
  6. Step 6: Final answer
    x = 180,036.11

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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.