Home / 217,328.18-326,013.03-67,528.24

Finding the Fourth Proportional to 217,328.18, 326,013.03 and 67,528.24

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Solution

The fourth proportional to 217,328.18, 326,013.03 and 67,528.24 is: 101,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,328.18 : 326,013.03 = 67,528.24 : x
  2. Step 2: Convert to fraction form
    217,328.18/326,013.03 = 67,528.24/x
  3. Step 3: Cross multiply
    217,328.18x = 326,013.03 × 67,528.24
  4. Step 4: Simplify right side
    217,328.18x = 22,015,085,317.93
  5. Step 5: Solve for x
    x = 22,015,085,317.93/217,328.18
  6. Step 6: Final answer
    x = 101,298.81

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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.