Home / 171,030.80-256,157.40-87,827.60

Finding the Fourth Proportional to 171,030.80, 256,157.40 and 87,827.60

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Solution

The fourth proportional to 171,030.80, 256,157.40 and 87,827.60 is: 131,541.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,030.80 : 256,157.40 = 87,827.60 : x
  2. Step 2: Convert to fraction form
    171,030.80/256,157.40 = 87,827.60/x
  3. Step 3: Cross multiply
    171,030.80x = 256,157.40 × 87,827.60
  4. Step 4: Simplify right side
    171,030.80x = 22,497,689,664.24
  5. Step 5: Solve for x
    x = 22,497,689,664.24/171,030.80
  6. Step 6: Final answer
    x = 131,541.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.