Home / 217,537.60-326,315.24-103,626.85

Finding the Fourth Proportional to 217,537.60, 326,315.24 and 103,626.85

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Solution

The fourth proportional to 217,537.60, 326,315.24 and 103,626.85 is: 155,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,537.60 : 326,315.24 = 103,626.85 : x
  2. Step 2: Convert to fraction form
    217,537.60/326,315.24 = 103,626.85/x
  3. Step 3: Cross multiply
    217,537.60x = 326,315.24 × 103,626.85
  4. Step 4: Simplify right side
    217,537.60x = 33,815,020,428.19
  5. Step 5: Solve for x
    x = 33,815,020,428.19/217,537.60
  6. Step 6: Final answer
    x = 155,444.49

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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.