Home / 219,522.96-329,333.65-91,441.31

Finding the Fourth Proportional to 219,522.96, 329,333.65 and 91,441.31

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Solution

The fourth proportional to 219,522.96, 329,333.65 and 91,441.31 is: 137,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,522.96 : 329,333.65 = 91,441.31 : x
  2. Step 2: Convert to fraction form
    219,522.96/329,333.65 = 91,441.31/x
  3. Step 3: Cross multiply
    219,522.96x = 329,333.65 × 91,441.31
  4. Step 4: Simplify right side
    219,522.96x = 30,114,698,507.81
  5. Step 5: Solve for x
    x = 30,114,698,507.81/219,522.96
  6. Step 6: Final answer
    x = 137,182.45

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1.5x scale

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.