Home / 319,741.25-441,245.99-176,498.21

Finding the Fourth Proportional to 319,741.25, 441,245.99 and 176,498.21

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Solution

The fourth proportional to 319,741.25, 441,245.99 and 176,498.21 is: 243,569.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,741.25 : 441,245.99 = 176,498.21 : x
  2. Step 2: Convert to fraction form
    319,741.25/441,245.99 = 176,498.21/x
  3. Step 3: Cross multiply
    319,741.25x = 441,245.99 × 176,498.21
  4. Step 4: Simplify right side
    319,741.25x = 77,879,124,315.96
  5. Step 5: Solve for x
    x = 77,879,124,315.96/319,741.25
  6. Step 6: Final answer
    x = 243,569.22

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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.