Home / 163,917.80-245,876.70-162,362.60

Finding the Fourth Proportional to 163,917.80, 245,876.70 and 162,362.60

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Solution

The fourth proportional to 163,917.80, 245,876.70 and 162,362.60 is: 243,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,917.80 : 245,876.70 = 162,362.60 : x
  2. Step 2: Convert to fraction form
    163,917.80/245,876.70 = 162,362.60/x
  3. Step 3: Cross multiply
    163,917.80x = 245,876.70 × 162,362.60
  4. Step 4: Simplify right side
    163,917.80x = 39,921,180,291.42
  5. Step 5: Solve for x
    x = 39,921,180,291.42/163,917.80
  6. Step 6: Final answer
    x = 243,543.90

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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.