Home / 240,275.21-360,464.53-71,809.23

Finding the Fourth Proportional to 240,275.21, 360,464.53 and 71,809.23

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Solution

The fourth proportional to 240,275.21, 360,464.53 and 71,809.23 is: 107,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,275.21 : 360,464.53 = 71,809.23 : x
  2. Step 2: Convert to fraction form
    240,275.21/360,464.53 = 71,809.23/x
  3. Step 3: Cross multiply
    240,275.21x = 360,464.53 × 71,809.23
  4. Step 4: Simplify right side
    240,275.21x = 25,884,681,648.47
  5. Step 5: Solve for x
    x = 25,884,681,648.47/240,275.21
  6. Step 6: Final answer
    x = 107,729.31

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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.