Home / 319,743.87-441,249.60-176,500.83

Finding the Fourth Proportional to 319,743.87, 441,249.60 and 176,500.83

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Solution

The fourth proportional to 319,743.87, 441,249.60 and 176,500.83 is: 243,572.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,743.87 : 441,249.60 = 176,500.83 : x
  2. Step 2: Convert to fraction form
    319,743.87/441,249.60 = 176,500.83/x
  3. Step 3: Cross multiply
    319,743.87x = 441,249.60 × 176,500.83
  4. Step 4: Simplify right side
    319,743.87x = 77,880,920,637.17
  5. Step 5: Solve for x
    x = 77,880,920,637.17/319,743.87
  6. Step 6: Final answer
    x = 243,572.83

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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.