Home / 229,133.28-316,249.20-133,655.04

Finding the Fourth Proportional to 229,133.28, 316,249.20 and 133,655.04

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Solution

The fourth proportional to 229,133.28, 316,249.20 and 133,655.04 is: 184,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,133.28 : 316,249.20 = 133,655.04 : x
  2. Step 2: Convert to fraction form
    229,133.28/316,249.20 = 133,655.04/x
  3. Step 3: Cross multiply
    229,133.28x = 316,249.20 × 133,655.04
  4. Step 4: Simplify right side
    229,133.28x = 42,268,299,475.97
  5. Step 5: Solve for x
    x = 42,268,299,475.97/229,133.28
  6. Step 6: Final answer
    x = 184,470.36

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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.