Home / 139,475.04-209,146.68-50,666.64

Finding the Fourth Proportional to 139,475.04, 209,146.68 and 50,666.64

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Solution

The fourth proportional to 139,475.04, 209,146.68 and 50,666.64 is: 75,976.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,475.04 : 209,146.68 = 50,666.64 : x
  2. Step 2: Convert to fraction form
    139,475.04/209,146.68 = 50,666.64/x
  3. Step 3: Cross multiply
    139,475.04x = 209,146.68 × 50,666.64
  4. Step 4: Simplify right side
    139,475.04x = 10,596,759,542.76
  5. Step 5: Solve for x
    x = 10,596,759,542.76/139,475.04
  6. Step 6: Final answer
    x = 75,976.03

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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.