Home / 228,475.08-315,285.24-126,493.32

Finding the Fourth Proportional to 228,475.08, 315,285.24 and 126,493.32

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Solution

The fourth proportional to 228,475.08, 315,285.24 and 126,493.32 is: 174,555.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,475.08 : 315,285.24 = 126,493.32 : x
  2. Step 2: Convert to fraction form
    228,475.08/315,285.24 = 126,493.32/x
  3. Step 3: Cross multiply
    228,475.08x = 315,285.24 × 126,493.32
  4. Step 4: Simplify right side
    228,475.08x = 39,881,476,754.60
  5. Step 5: Solve for x
    x = 39,881,476,754.60/228,475.08
  6. Step 6: Final answer
    x = 174,555.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.