Home / 139,120.14-208,213.65-114,159.18

Finding the Fourth Proportional to 139,120.14, 208,213.65 and 114,159.18

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Solution

The fourth proportional to 139,120.14, 208,213.65 and 114,159.18 is: 170,855.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,120.14 : 208,213.65 = 114,159.18 : x
  2. Step 2: Convert to fraction form
    139,120.14/208,213.65 = 114,159.18/x
  3. Step 3: Cross multiply
    139,120.14x = 208,213.65 × 114,159.18
  4. Step 4: Simplify right side
    139,120.14x = 23,769,499,548.81
  5. Step 5: Solve for x
    x = 23,769,499,548.81/139,120.14
  6. Step 6: Final answer
    x = 170,855.92

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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.