Home / 319,743.11-441,248.57-176,500.08

Finding the Fourth Proportional to 319,743.11, 441,248.57 and 176,500.08

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Solution

The fourth proportional to 319,743.11, 441,248.57 and 176,500.08 is: 243,571.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,743.11 : 441,248.57 = 176,500.08 : x
  2. Step 2: Convert to fraction form
    319,743.11/441,248.57 = 176,500.08/x
  3. Step 3: Cross multiply
    319,743.11x = 441,248.57 × 176,500.08
  4. Step 4: Simplify right side
    319,743.11x = 77,880,407,022.39
  5. Step 5: Solve for x
    x = 77,880,407,022.39/319,743.11
  6. Step 6: Final answer
    x = 243,571.81

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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.