Home / 351,117.28-526,551.44-126,417.44

Finding the Fourth Proportional to 351,117.28, 526,551.44 and 126,417.44

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Solution

The fourth proportional to 351,117.28, 526,551.44 and 126,417.44 is: 189,581.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,117.28 : 526,551.44 = 126,417.44 : x
  2. Step 2: Convert to fraction form
    351,117.28/526,551.44 = 126,417.44/x
  3. Step 3: Cross multiply
    351,117.28x = 526,551.44 × 126,417.44
  4. Step 4: Simplify right side
    351,117.28x = 66,565,285,073.11
  5. Step 5: Solve for x
    x = 66,565,285,073.11/351,117.28
  6. Step 6: Final answer
    x = 189,581.34

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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.