Home / 450,132.12-675,001.26-213,542.28

Finding the Fourth Proportional to 450,132.12, 675,001.26 and 213,542.28

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Solution

The fourth proportional to 450,132.12, 675,001.26 and 213,542.28 is: 320,220.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,132.12 : 675,001.26 = 213,542.28 : x
  2. Step 2: Convert to fraction form
    450,132.12/675,001.26 = 213,542.28/x
  3. Step 3: Cross multiply
    450,132.12x = 675,001.26 × 213,542.28
  4. Step 4: Simplify right side
    450,132.12x = 144,141,308,063.27
  5. Step 5: Solve for x
    x = 144,141,308,063.27/450,132.12
  6. Step 6: Final answer
    x = 320,220.00

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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.