Home / 250,742.40-345,955.52-161,370.24

Finding the Fourth Proportional to 250,742.40, 345,955.52 and 161,370.24

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Solution

The fourth proportional to 250,742.40, 345,955.52 and 161,370.24 is: 222,646.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,742.40 : 345,955.52 = 161,370.24 : x
  2. Step 2: Convert to fraction form
    250,742.40/345,955.52 = 161,370.24/x
  3. Step 3: Cross multiply
    250,742.40x = 345,955.52 × 161,370.24
  4. Step 4: Simplify right side
    250,742.40x = 55,826,925,291.72
  5. Step 5: Solve for x
    x = 55,826,925,291.72/250,742.40
  6. Step 6: Final answer
    x = 222,646.53

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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.