Home / 353,569.08-530,388.18-104,322.36

Finding the Fourth Proportional to 353,569.08, 530,388.18 and 104,322.36

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Solution

The fourth proportional to 353,569.08, 530,388.18 and 104,322.36 is: 156,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,569.08 : 530,388.18 = 104,322.36 : x
  2. Step 2: Convert to fraction form
    353,569.08/530,388.18 = 104,322.36/x
  3. Step 3: Cross multiply
    353,569.08x = 530,388.18 × 104,322.36
  4. Step 4: Simplify right side
    353,569.08x = 55,331,346,653.70
  5. Step 5: Solve for x
    x = 55,331,346,653.70/353,569.08
  6. Step 6: Final answer
    x = 156,493.74

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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.