Home / 117,585.41-162,157.34-90,685.31

Finding the Fourth Proportional to 117,585.41, 162,157.34 and 90,685.31

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Solution

The fourth proportional to 117,585.41, 162,157.34 and 90,685.31 is: 125,060.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,585.41 : 162,157.34 = 90,685.31 : x
  2. Step 2: Convert to fraction form
    117,585.41/162,157.34 = 90,685.31/x
  3. Step 3: Cross multiply
    117,585.41x = 162,157.34 × 90,685.31
  4. Step 4: Simplify right side
    117,585.41x = 14,705,288,062.60
  5. Step 5: Solve for x
    x = 14,705,288,062.60/117,585.41
  6. Step 6: Final answer
    x = 125,060.49

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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.