Home / 143,899.60-215,849.40-94,133.20

Finding the Fourth Proportional to 143,899.60, 215,849.40 and 94,133.20

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Solution

The fourth proportional to 143,899.60, 215,849.40 and 94,133.20 is: 141,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,899.60 : 215,849.40 = 94,133.20 : x
  2. Step 2: Convert to fraction form
    143,899.60/215,849.40 = 94,133.20/x
  3. Step 3: Cross multiply
    143,899.60x = 215,849.40 × 94,133.20
  4. Step 4: Simplify right side
    143,899.60x = 20,318,594,740.08
  5. Step 5: Solve for x
    x = 20,318,594,740.08/143,899.60
  6. Step 6: Final answer
    x = 141,199.80

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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.