Home / 156,153.60-215,491.73-84,533.61

Finding the Fourth Proportional to 156,153.60, 215,491.73 and 84,533.61

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Solution

The fourth proportional to 156,153.60, 215,491.73 and 84,533.61 is: 116,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,153.60 : 215,491.73 = 84,533.61 : x
  2. Step 2: Convert to fraction form
    156,153.60/215,491.73 = 84,533.61/x
  3. Step 3: Cross multiply
    156,153.60x = 215,491.73 × 84,533.61
  4. Step 4: Simplify right side
    156,153.60x = 18,216,293,439.38
  5. Step 5: Solve for x
    x = 18,216,293,439.38/156,153.60
  6. Step 6: Final answer
    x = 116,656.25

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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.