Home / 319,146.24-440,259.84-243,563.52

Finding the Fourth Proportional to 319,146.24, 440,259.84 and 243,563.52

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Solution

The fourth proportional to 319,146.24, 440,259.84 and 243,563.52 is: 335,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,146.24 : 440,259.84 = 243,563.52 : x
  2. Step 2: Convert to fraction form
    319,146.24/440,259.84 = 243,563.52/x
  3. Step 3: Cross multiply
    319,146.24x = 440,259.84 × 243,563.52
  4. Step 4: Simplify right side
    319,146.24x = 107,231,236,345.04
  5. Step 5: Solve for x
    x = 107,231,236,345.04/319,146.24
  6. Step 6: Final answer
    x = 335,994.05

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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.