Home / 217,361.74-326,136.45-117,592.21

Finding the Fourth Proportional to 217,361.74, 326,136.45 and 117,592.21

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Solution

The fourth proportional to 217,361.74, 326,136.45 and 117,592.21 is: 176,439.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,361.74 : 326,136.45 = 117,592.21 : x
  2. Step 2: Convert to fraction form
    217,361.74/326,136.45 = 117,592.21/x
  3. Step 3: Cross multiply
    217,361.74x = 326,136.45 × 117,592.21
  4. Step 4: Simplify right side
    217,361.74x = 38,351,105,917.05
  5. Step 5: Solve for x
    x = 38,351,105,917.05/217,361.74
  6. Step 6: Final answer
    x = 176,439.08

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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.