Home / 217,430.28-326,155.66-179,409.01

Finding the Fourth Proportional to 217,430.28, 326,155.66 and 179,409.01

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Solution

The fourth proportional to 217,430.28, 326,155.66 and 179,409.01 is: 269,121.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,430.28 : 326,155.66 = 179,409.01 : x
  2. Step 2: Convert to fraction form
    217,430.28/326,155.66 = 179,409.01/x
  3. Step 3: Cross multiply
    217,430.28x = 326,155.66 × 179,409.01
  4. Step 4: Simplify right side
    217,430.28x = 58,515,264,066.50
  5. Step 5: Solve for x
    x = 58,515,264,066.50/217,430.28
  6. Step 6: Final answer
    x = 269,121.96

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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.