Home / 318,435.32-439,451.52-175,201.40

Finding the Fourth Proportional to 318,435.32, 439,451.52 and 175,201.40

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Solution

The fourth proportional to 318,435.32, 439,451.52 and 175,201.40 is: 241,783.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,435.32 : 439,451.52 = 175,201.40 : x
  2. Step 2: Convert to fraction form
    318,435.32/439,451.52 = 175,201.40/x
  3. Step 3: Cross multiply
    318,435.32x = 439,451.52 × 175,201.40
  4. Step 4: Simplify right side
    318,435.32x = 76,992,521,536.13
  5. Step 5: Solve for x
    x = 76,992,521,536.13/318,435.32
  6. Step 6: Final answer
    x = 241,783.86

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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.