Home / 163,475.03-245,215.62-45,149.51

Finding the Fourth Proportional to 163,475.03, 245,215.62 and 45,149.51

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Solution

The fourth proportional to 163,475.03, 245,215.62 and 45,149.51 is: 67,725.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,475.03 : 245,215.62 = 45,149.51 : x
  2. Step 2: Convert to fraction form
    163,475.03/245,215.62 = 45,149.51/x
  3. Step 3: Cross multiply
    163,475.03x = 245,215.62 × 45,149.51
  4. Step 4: Simplify right side
    163,475.03x = 11,071,363,861.27
  5. Step 5: Solve for x
    x = 11,071,363,861.27/163,475.03
  6. Step 6: Final answer
    x = 67,725.11

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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.