Home / 163,645.21-245,465.35-73,624.35

Finding the Fourth Proportional to 163,645.21, 245,465.35 and 73,624.35

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Solution

The fourth proportional to 163,645.21, 245,465.35 and 73,624.35 is: 110,435.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,645.21 : 245,465.35 = 73,624.35 : x
  2. Step 2: Convert to fraction form
    163,645.21/245,465.35 = 73,624.35/x
  3. Step 3: Cross multiply
    163,645.21x = 245,465.35 × 73,624.35
  4. Step 4: Simplify right side
    163,645.21x = 18,072,226,841.27
  5. Step 5: Solve for x
    x = 18,072,226,841.27/163,645.21
  6. Step 6: Final answer
    x = 110,435.42

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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.