Home / 215,674.50-297,626.81-117,558.57

Finding the Fourth Proportional to 215,674.50, 297,626.81 and 117,558.57

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Solution

The fourth proportional to 215,674.50, 297,626.81 and 117,558.57 is: 162,228.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,674.50 : 297,626.81 = 117,558.57 : x
  2. Step 2: Convert to fraction form
    215,674.50/297,626.81 = 117,558.57/x
  3. Step 3: Cross multiply
    215,674.50x = 297,626.81 × 117,558.57
  4. Step 4: Simplify right side
    215,674.50x = 34,988,581,589.47
  5. Step 5: Solve for x
    x = 34,988,581,589.47/215,674.50
  6. Step 6: Final answer
    x = 162,228.64

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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.