Home / 215,153.26-296,903.60-119,666.10

Finding the Fourth Proportional to 215,153.26, 296,903.60 and 119,666.10

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Solution

The fourth proportional to 215,153.26, 296,903.60 and 119,666.10 is: 165,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,153.26 : 296,903.60 = 119,666.10 : x
  2. Step 2: Convert to fraction form
    215,153.26/296,903.60 = 119,666.10/x
  3. Step 3: Cross multiply
    215,153.26x = 296,903.60 × 119,666.10
  4. Step 4: Simplify right side
    215,153.26x = 35,529,295,289.63
  5. Step 5: Solve for x
    x = 35,529,295,289.63/215,153.26
  6. Step 6: Final answer
    x = 165,134.82

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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.