Home / 220,464.77-304,232.51-129,824.55

Finding the Fourth Proportional to 220,464.77, 304,232.51 and 129,824.55

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Solution

The fourth proportional to 220,464.77, 304,232.51 and 129,824.55 is: 179,152.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,464.77 : 304,232.51 = 129,824.55 : x
  2. Step 2: Convert to fraction form
    220,464.77/304,232.51 = 129,824.55/x
  3. Step 3: Cross multiply
    220,464.77x = 304,232.51 × 129,824.55
  4. Step 4: Simplify right side
    220,464.77x = 39,496,848,057.00
  5. Step 5: Solve for x
    x = 39,496,848,057.00/220,464.77
  6. Step 6: Final answer
    x = 179,152.66

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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.