Home / 228,530.82-342,886.41-165,430.35

Finding the Fourth Proportional to 228,530.82, 342,886.41 and 165,430.35

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Solution

The fourth proportional to 228,530.82, 342,886.41 and 165,430.35 is: 248,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,530.82 : 342,886.41 = 165,430.35 : x
  2. Step 2: Convert to fraction form
    228,530.82/342,886.41 = 165,430.35/x
  3. Step 3: Cross multiply
    228,530.82x = 342,886.41 × 165,430.35
  4. Step 4: Simplify right side
    228,530.82x = 56,723,818,816.54
  5. Step 5: Solve for x
    x = 56,723,818,816.54/228,530.82
  6. Step 6: Final answer
    x = 248,210.81

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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.