Home / 142,499.68-213,680.48-58,226.38

Finding the Fourth Proportional to 142,499.68, 213,680.48 and 58,226.38

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Solution

The fourth proportional to 142,499.68, 213,680.48 and 58,226.38 is: 87,311.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,499.68 : 213,680.48 = 58,226.38 : x
  2. Step 2: Convert to fraction form
    142,499.68/213,680.48 = 58,226.38/x
  3. Step 3: Cross multiply
    142,499.68x = 213,680.48 × 58,226.38
  4. Step 4: Simplify right side
    142,499.68x = 12,441,840,827.06
  5. Step 5: Solve for x
    x = 12,441,840,827.06/142,499.68
  6. Step 6: Final answer
    x = 87,311.36

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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.