Home / 140,624.30-210,936.45-47,133.10

Finding the Fourth Proportional to 140,624.30, 210,936.45 and 47,133.10

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Solution

The fourth proportional to 140,624.30, 210,936.45 and 47,133.10 is: 70,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,624.30 : 210,936.45 = 47,133.10 : x
  2. Step 2: Convert to fraction form
    140,624.30/210,936.45 = 47,133.10/x
  3. Step 3: Cross multiply
    140,624.30x = 210,936.45 × 47,133.10
  4. Step 4: Simplify right side
    140,624.30x = 9,942,088,791.50
  5. Step 5: Solve for x
    x = 9,942,088,791.50/140,624.30
  6. Step 6: Final answer
    x = 70,699.65

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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.