Home / 307,822.95-424,763.33-178,736.19

Finding the Fourth Proportional to 307,822.95, 424,763.33 and 178,736.19

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Solution

The fourth proportional to 307,822.95, 424,763.33 and 178,736.19 is: 246,637.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,822.95 : 424,763.33 = 178,736.19 : x
  2. Step 2: Convert to fraction form
    307,822.95/424,763.33 = 178,736.19/x
  3. Step 3: Cross multiply
    307,822.95x = 424,763.33 × 178,736.19
  4. Step 4: Simplify right side
    307,822.95x = 75,920,576,769.37
  5. Step 5: Solve for x
    x = 75,920,576,769.37/307,822.95
  6. Step 6: Final answer
    x = 246,637.16

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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.