Home / 163,621.93-245,405.55-45,305.23

Finding the Fourth Proportional to 163,621.93, 245,405.55 and 45,305.23

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Solution

The fourth proportional to 163,621.93, 245,405.55 and 45,305.23 is: 67,950.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,621.93 : 245,405.55 = 45,305.23 : x
  2. Step 2: Convert to fraction form
    163,621.93/245,405.55 = 45,305.23/x
  3. Step 3: Cross multiply
    163,621.93x = 245,405.55 × 45,305.23
  4. Step 4: Simplify right side
    163,621.93x = 11,118,154,886.03
  5. Step 5: Solve for x
    x = 11,118,154,886.03/163,621.93
  6. Step 6: Final answer
    x = 67,950.27

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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.