Home / 156,280.08-215,665.98-84,660.02

Finding the Fourth Proportional to 156,280.08, 215,665.98 and 84,660.02

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Solution

The fourth proportional to 156,280.08, 215,665.98 and 84,660.02 is: 116,830.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,280.08 : 215,665.98 = 84,660.02 : x
  2. Step 2: Convert to fraction form
    156,280.08/215,665.98 = 84,660.02/x
  3. Step 3: Cross multiply
    156,280.08x = 215,665.98 × 84,660.02
  4. Step 4: Simplify right side
    156,280.08x = 18,258,286,180.12
  5. Step 5: Solve for x
    x = 18,258,286,180.12/156,280.08
  6. Step 6: Final answer
    x = 116,830.54

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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.