Home / 178,860.42-268,298.80-126,503.64

Finding the Fourth Proportional to 178,860.42, 268,298.80 and 126,503.64

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Solution

The fourth proportional to 178,860.42, 268,298.80 and 126,503.64 is: 189,761.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,860.42 : 268,298.80 = 126,503.64 : x
  2. Step 2: Convert to fraction form
    178,860.42/268,298.80 = 126,503.64/x
  3. Step 3: Cross multiply
    178,860.42x = 268,298.80 × 126,503.64
  4. Step 4: Simplify right side
    178,860.42x = 33,940,774,807.63
  5. Step 5: Solve for x
    x = 33,940,774,807.63/178,860.42
  6. Step 6: Final answer
    x = 189,761.24

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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.