Home / 217,022.60-325,533.90-76,795.40

Finding the Fourth Proportional to 217,022.60, 325,533.90 and 76,795.40

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Solution

The fourth proportional to 217,022.60, 325,533.90 and 76,795.40 is: 115,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,022.60 : 325,533.90 = 76,795.40 : x
  2. Step 2: Convert to fraction form
    217,022.60/325,533.90 = 76,795.40/x
  3. Step 3: Cross multiply
    217,022.60x = 325,533.90 × 76,795.40
  4. Step 4: Simplify right side
    217,022.60x = 24,999,506,064.06
  5. Step 5: Solve for x
    x = 24,999,506,064.06/217,022.60
  6. Step 6: Final answer
    x = 115,193.10

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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.