Home / 288,928.23-398,699.29-161,579.22

Finding the Fourth Proportional to 288,928.23, 398,699.29 and 161,579.22

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Solution

The fourth proportional to 288,928.23, 398,699.29 and 161,579.22 is: 222,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,928.23 : 398,699.29 = 161,579.22 : x
  2. Step 2: Convert to fraction form
    288,928.23/398,699.29 = 161,579.22/x
  3. Step 3: Cross multiply
    288,928.23x = 398,699.29 × 161,579.22
  4. Step 4: Simplify right side
    288,928.23x = 64,421,520,292.75
  5. Step 5: Solve for x
    x = 64,421,520,292.75/288,928.23
  6. Step 6: Final answer
    x = 222,967.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.