Home / 290,597.60-401,025.04-163,273.12

Finding the Fourth Proportional to 290,597.60, 401,025.04 and 163,273.12

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Solution

The fourth proportional to 290,597.60, 401,025.04 and 163,273.12 is: 225,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,597.60 : 401,025.04 = 163,273.12 : x
  2. Step 2: Convert to fraction form
    290,597.60/401,025.04 = 163,273.12/x
  3. Step 3: Cross multiply
    290,597.60x = 401,025.04 × 163,273.12
  4. Step 4: Simplify right side
    290,597.60x = 65,476,609,478.92
  5. Step 5: Solve for x
    x = 65,476,609,478.92/290,597.60
  6. Step 6: Final answer
    x = 225,317.10

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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.