Home / 317,684.01-438,401.96-181,720.23

Finding the Fourth Proportional to 317,684.01, 438,401.96 and 181,720.23

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Solution

The fourth proportional to 317,684.01, 438,401.96 and 181,720.23 is: 250,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,684.01 : 438,401.96 = 181,720.23 : x
  2. Step 2: Convert to fraction form
    317,684.01/438,401.96 = 181,720.23/x
  3. Step 3: Cross multiply
    317,684.01x = 438,401.96 × 181,720.23
  4. Step 4: Simplify right side
    317,684.01x = 79,666,501,903.04
  5. Step 5: Solve for x
    x = 79,666,501,903.04/317,684.01
  6. Step 6: Final answer
    x = 250,772.78

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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.