Home / 156,375.05-215,798.66-84,756.27

Finding the Fourth Proportional to 156,375.05, 215,798.66 and 84,756.27

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Solution

The fourth proportional to 156,375.05, 215,798.66 and 84,756.27 is: 116,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,375.05 : 215,798.66 = 84,756.27 : x
  2. Step 2: Convert to fraction form
    156,375.05/215,798.66 = 84,756.27/x
  3. Step 3: Cross multiply
    156,375.05x = 215,798.66 × 84,756.27
  4. Step 4: Simplify right side
    156,375.05x = 18,290,289,068.82
  5. Step 5: Solve for x
    x = 18,290,289,068.82/156,375.05
  6. Step 6: Final answer
    x = 116,964.24

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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.