Home / 151,069.74-208,506.42-115,195.68

Finding the Fourth Proportional to 151,069.74, 208,506.42 and 115,195.68

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Solution

The fourth proportional to 151,069.74, 208,506.42 and 115,195.68 is: 158,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,069.74 : 208,506.42 = 115,195.68 : x
  2. Step 2: Convert to fraction form
    151,069.74/208,506.42 = 115,195.68/x
  3. Step 3: Cross multiply
    151,069.74x = 208,506.42 × 115,195.68
  4. Step 4: Simplify right side
    151,069.74x = 24,019,038,836.27
  5. Step 5: Solve for x
    x = 24,019,038,836.27/151,069.74
  6. Step 6: Final answer
    x = 158,993.05

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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.