Home / 400,150.48-552,185.04-218,826.40

Finding the Fourth Proportional to 400,150.48, 552,185.04 and 218,826.40

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Solution

The fourth proportional to 400,150.48, 552,185.04 and 218,826.40 is: 301,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,150.48 : 552,185.04 = 218,826.40 : x
  2. Step 2: Convert to fraction form
    400,150.48/552,185.04 = 218,826.40/x
  3. Step 3: Cross multiply
    400,150.48x = 552,185.04 × 218,826.40
  4. Step 4: Simplify right side
    400,150.48x = 120,832,664,437.06
  5. Step 5: Solve for x
    x = 120,832,664,437.06/400,150.48
  6. Step 6: Final answer
    x = 301,968.06

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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.