Home / 189,591.40-284,387.10-133,066.60

Finding the Fourth Proportional to 189,591.40, 284,387.10 and 133,066.60

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Solution

The fourth proportional to 189,591.40, 284,387.10 and 133,066.60 is: 199,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,591.40 : 284,387.10 = 133,066.60 : x
  2. Step 2: Convert to fraction form
    189,591.40/284,387.10 = 133,066.60/x
  3. Step 3: Cross multiply
    189,591.40x = 284,387.10 × 133,066.60
  4. Step 4: Simplify right side
    189,591.40x = 37,842,424,480.86
  5. Step 5: Solve for x
    x = 37,842,424,480.86/189,591.40
  6. Step 6: Final answer
    x = 199,599.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.