Home / 354,218.20-531,327.30-185,673.40

Finding the Fourth Proportional to 354,218.20, 531,327.30 and 185,673.40

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Solution

The fourth proportional to 354,218.20, 531,327.30 and 185,673.40 is: 278,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,218.20 : 531,327.30 = 185,673.40 : x
  2. Step 2: Convert to fraction form
    354,218.20/531,327.30 = 185,673.40/x
  3. Step 3: Cross multiply
    354,218.20x = 531,327.30 × 185,673.40
  4. Step 4: Simplify right side
    354,218.20x = 98,653,346,303.82
  5. Step 5: Solve for x
    x = 98,653,346,303.82/354,218.20
  6. Step 6: Final answer
    x = 278,510.10

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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.