Home / 313,845.37-433,001.19-177,868.64

Finding the Fourth Proportional to 313,845.37, 433,001.19 and 177,868.64

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Solution

The fourth proportional to 313,845.37, 433,001.19 and 177,868.64 is: 245,398.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,845.37 : 433,001.19 = 177,868.64 : x
  2. Step 2: Convert to fraction form
    313,845.37/433,001.19 = 177,868.64/x
  3. Step 3: Cross multiply
    313,845.37x = 433,001.19 × 177,868.64
  4. Step 4: Simplify right side
    313,845.37x = 77,017,334,533.19
  5. Step 5: Solve for x
    x = 77,017,334,533.19/313,845.37
  6. Step 6: Final answer
    x = 245,398.98

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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.