Home / 229,147.15-316,261.08-133,653.85

Finding the Fourth Proportional to 229,147.15, 316,261.08 and 133,653.85

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Solution

The fourth proportional to 229,147.15, 316,261.08 and 133,653.85 is: 184,464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,147.15 : 316,261.08 = 133,653.85 : x
  2. Step 2: Convert to fraction form
    229,147.15/316,261.08 = 133,653.85/x
  3. Step 3: Cross multiply
    229,147.15x = 316,261.08 × 133,653.85
  4. Step 4: Simplify right side
    229,147.15x = 42,269,510,532.41
  5. Step 5: Solve for x
    x = 42,269,510,532.41/229,147.15
  6. Step 6: Final answer
    x = 184,464.48

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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.