Home / 156,153.45-215,491.83-84,533.47

Finding the Fourth Proportional to 156,153.45, 215,491.83 and 84,533.47

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Solution

The fourth proportional to 156,153.45, 215,491.83 and 84,533.47 is: 116,656.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,153.45 : 215,491.83 = 84,533.47 : x
  2. Step 2: Convert to fraction form
    156,153.45/215,491.83 = 84,533.47/x
  3. Step 3: Cross multiply
    156,153.45x = 215,491.83 × 84,533.47
  4. Step 4: Simplify right side
    156,153.45x = 18,216,271,771.52
  5. Step 5: Solve for x
    x = 18,216,271,771.52/156,153.45
  6. Step 6: Final answer
    x = 116,656.23

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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.