Home / 219,395.22-328,954.59-186,126.90

Finding the Fourth Proportional to 219,395.22, 328,954.59 and 186,126.90

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Solution

The fourth proportional to 219,395.22, 328,954.59 and 186,126.90 is: 279,073.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,395.22 : 328,954.59 = 186,126.90 : x
  2. Step 2: Convert to fraction form
    219,395.22/328,954.59 = 186,126.90/x
  3. Step 3: Cross multiply
    219,395.22x = 328,954.59 × 186,126.90
  4. Step 4: Simplify right side
    219,395.22x = 61,227,298,077.47
  5. Step 5: Solve for x
    x = 61,227,298,077.47/219,395.22
  6. Step 6: Final answer
    x = 279,073.07

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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.