Home / 156,280.08-215,665.62-84,661.48

Finding the Fourth Proportional to 156,280.08, 215,665.62 and 84,661.48

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Solution

The fourth proportional to 156,280.08, 215,665.62 and 84,661.48 is: 116,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,280.08 : 215,665.62 = 84,661.48 : x
  2. Step 2: Convert to fraction form
    156,280.08/215,665.62 = 84,661.48/x
  3. Step 3: Cross multiply
    156,280.08x = 215,665.62 × 84,661.48
  4. Step 4: Simplify right side
    156,280.08x = 18,258,570,574.32
  5. Step 5: Solve for x
    x = 18,258,570,574.32/156,280.08
  6. Step 6: Final answer
    x = 116,832.36

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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.