Home / 202,929.95-280,043.66-112,289.74

Finding the Fourth Proportional to 202,929.95, 280,043.66 and 112,289.74

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Solution

The fourth proportional to 202,929.95, 280,043.66 and 112,289.74 is: 154,960.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,929.95 : 280,043.66 = 112,289.74 : x
  2. Step 2: Convert to fraction form
    202,929.95/280,043.66 = 112,289.74/x
  3. Step 3: Cross multiply
    202,929.95x = 280,043.66 × 112,289.74
  4. Step 4: Simplify right side
    202,929.95x = 31,446,029,350.66
  5. Step 5: Solve for x
    x = 31,446,029,350.66/202,929.95
  6. Step 6: Final answer
    x = 154,960.02

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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.