Home / 118,012.28-162,697.68-114,343.16

Finding the Fourth Proportional to 118,012.28, 162,697.68 and 114,343.16

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Solution

The fourth proportional to 118,012.28, 162,697.68 and 114,343.16 is: 157,639.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,012.28 : 162,697.68 = 114,343.16 : x
  2. Step 2: Convert to fraction form
    118,012.28/162,697.68 = 114,343.16/x
  3. Step 3: Cross multiply
    118,012.28x = 162,697.68 × 114,343.16
  4. Step 4: Simplify right side
    118,012.28x = 18,603,366,855.87
  5. Step 5: Solve for x
    x = 18,603,366,855.87/118,012.28
  6. Step 6: Final answer
    x = 157,639.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.