Home / 156,153.70-215,492.18-84,533.72

Finding the Fourth Proportional to 156,153.70, 215,492.18 and 84,533.72

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Solution

The fourth proportional to 156,153.70, 215,492.18 and 84,533.72 is: 116,656.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,153.70 : 215,492.18 = 84,533.72 : x
  2. Step 2: Convert to fraction form
    156,153.70/215,492.18 = 84,533.72/x
  3. Step 3: Cross multiply
    156,153.70x = 215,492.18 × 84,533.72
  4. Step 4: Simplify right side
    156,153.70x = 18,216,355,183.64
  5. Step 5: Solve for x
    x = 18,216,355,183.64/156,153.70
  6. Step 6: Final answer
    x = 116,656.57

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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.