Home / 171,077.10-256,528.02-91,160.60

Finding the Fourth Proportional to 171,077.10, 256,528.02 and 91,160.60

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Solution

The fourth proportional to 171,077.10, 256,528.02 and 91,160.60 is: 136,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,077.10 : 256,528.02 = 91,160.60 : x
  2. Step 2: Convert to fraction form
    171,077.10/256,528.02 = 91,160.60/x
  3. Step 3: Cross multiply
    171,077.10x = 256,528.02 × 91,160.60
  4. Step 4: Simplify right side
    171,077.10x = 23,385,248,220.01
  5. Step 5: Solve for x
    x = 23,385,248,220.01/171,077.10
  6. Step 6: Final answer
    x = 136,694.21

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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.