Home / 221,326.64-305,427.44-124,523.12

Finding the Fourth Proportional to 221,326.64, 305,427.44 and 124,523.12

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Solution

The fourth proportional to 221,326.64, 305,427.44 and 124,523.12 is: 171,840.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,326.64 : 305,427.44 = 124,523.12 : x
  2. Step 2: Convert to fraction form
    221,326.64/305,427.44 = 124,523.12/x
  3. Step 3: Cross multiply
    221,326.64x = 305,427.44 × 124,523.12
  4. Step 4: Simplify right side
    221,326.64x = 38,032,777,762.41
  5. Step 5: Solve for x
    x = 38,032,777,762.41/221,326.64
  6. Step 6: Final answer
    x = 171,840.04

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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.