Home / 351,109.84-526,540.20-126,409.93

Finding the Fourth Proportional to 351,109.84, 526,540.20 and 126,409.93

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Solution

The fourth proportional to 351,109.84, 526,540.20 and 126,409.93 is: 189,570.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,109.84 : 526,540.20 = 126,409.93 : x
  2. Step 2: Convert to fraction form
    351,109.84/526,540.20 = 126,409.93/x
  3. Step 3: Cross multiply
    351,109.84x = 526,540.20 × 126,409.93
  4. Step 4: Simplify right side
    351,109.84x = 66,559,909,824.19
  5. Step 5: Solve for x
    x = 66,559,909,824.19/351,109.84
  6. Step 6: Final answer
    x = 189,570.05

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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.