Home / 317,777.36-438,426.05-179,937.45

Finding the Fourth Proportional to 317,777.36, 438,426.05 and 179,937.45

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Solution

The fourth proportional to 317,777.36, 438,426.05 and 179,937.45 is: 248,253.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,777.36 : 438,426.05 = 179,937.45 : x
  2. Step 2: Convert to fraction form
    317,777.36/438,426.05 = 179,937.45/x
  3. Step 3: Cross multiply
    317,777.36x = 438,426.05 × 179,937.45
  4. Step 4: Simplify right side
    317,777.36x = 78,889,265,450.57
  5. Step 5: Solve for x
    x = 78,889,265,450.57/317,777.36
  6. Step 6: Final answer
    x = 248,253.26

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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.