Home / 156,153.23-215,491.41-84,533.20

Finding the Fourth Proportional to 156,153.23, 215,491.41 and 84,533.20

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Solution

The fourth proportional to 156,153.23, 215,491.41 and 84,533.20 is: 116,655.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,153.23 : 215,491.41 = 84,533.20 : x
  2. Step 2: Convert to fraction form
    156,153.23/215,491.41 = 84,533.20/x
  3. Step 3: Cross multiply
    156,153.23x = 215,491.41 × 84,533.20
  4. Step 4: Simplify right side
    156,153.23x = 18,216,179,046.18
  5. Step 5: Solve for x
    x = 18,216,179,046.18/156,153.23
  6. Step 6: Final answer
    x = 116,655.79

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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.