Home / 353,568.08-530,386.68-104,321.36

Finding the Fourth Proportional to 353,568.08, 530,386.68 and 104,321.36

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Solution

The fourth proportional to 353,568.08, 530,386.68 and 104,321.36 is: 156,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,568.08 : 530,386.68 = 104,321.36 : x
  2. Step 2: Convert to fraction form
    353,568.08/530,386.68 = 104,321.36/x
  3. Step 3: Cross multiply
    353,568.08x = 530,386.68 × 104,321.36
  4. Step 4: Simplify right side
    353,568.08x = 55,330,659,783.48
  5. Step 5: Solve for x
    x = 55,330,659,783.48/353,568.08
  6. Step 6: Final answer
    x = 156,492.24

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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.