Home / 202,606.12-279,591.60-111,957.40

Finding the Fourth Proportional to 202,606.12, 279,591.60 and 111,957.40

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Solution

The fourth proportional to 202,606.12, 279,591.60 and 111,957.40 is: 154,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,606.12 : 279,591.60 = 111,957.40 : x
  2. Step 2: Convert to fraction form
    202,606.12/279,591.60 = 111,957.40/x
  3. Step 3: Cross multiply
    202,606.12x = 279,591.60 × 111,957.40
  4. Step 4: Simplify right side
    202,606.12x = 31,302,348,597.84
  5. Step 5: Solve for x
    x = 31,302,348,597.84/202,606.12
  6. Step 6: Final answer
    x = 154,498.53

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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.