Home / 321,740.68-444,023.13-185,780.35

Finding the Fourth Proportional to 321,740.68, 444,023.13 and 185,780.35

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Solution

The fourth proportional to 321,740.68, 444,023.13 and 185,780.35 is: 256,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,740.68 : 444,023.13 = 185,780.35 : x
  2. Step 2: Convert to fraction form
    321,740.68/444,023.13 = 185,780.35/x
  3. Step 3: Cross multiply
    321,740.68x = 444,023.13 × 185,780.35
  4. Step 4: Simplify right side
    321,740.68x = 82,490,772,499.50
  5. Step 5: Solve for x
    x = 82,490,772,499.50/321,740.68
  6. Step 6: Final answer
    x = 256,389.00

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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.