Home / 217,336.40-325,567.20-146,477.60

Finding the Fourth Proportional to 217,336.40, 325,567.20 and 146,477.60

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Solution

The fourth proportional to 217,336.40, 325,567.20 and 146,477.60 is: 219,421.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,336.40 : 325,567.20 = 146,477.60 : x
  2. Step 2: Convert to fraction form
    217,336.40/325,567.20 = 146,477.60/x
  3. Step 3: Cross multiply
    217,336.40x = 325,567.20 × 146,477.60
  4. Step 4: Simplify right side
    217,336.40x = 47,688,302,094.72
  5. Step 5: Solve for x
    x = 47,688,302,094.72/217,336.40
  6. Step 6: Final answer
    x = 219,421.61

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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.