Home / 156,280.50-215,667.27-84,661.02

Finding the Fourth Proportional to 156,280.50, 215,667.27 and 84,661.02

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Solution

The fourth proportional to 156,280.50, 215,667.27 and 84,661.02 is: 116,832.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,280.50 : 215,667.27 = 84,661.02 : x
  2. Step 2: Convert to fraction form
    156,280.50/215,667.27 = 84,661.02/x
  3. Step 3: Cross multiply
    156,280.50x = 215,667.27 × 84,661.02
  4. Step 4: Simplify right side
    156,280.50x = 18,258,611,058.82
  5. Step 5: Solve for x
    x = 18,258,611,058.82/156,280.50
  6. Step 6: Final answer
    x = 116,832.31

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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.