Home / 117,460.18-162,173.10-69,728.86

Finding the Fourth Proportional to 117,460.18, 162,173.10 and 69,728.86

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Solution

The fourth proportional to 117,460.18, 162,173.10 and 69,728.86 is: 96,272.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,460.18 : 162,173.10 = 69,728.86 : x
  2. Step 2: Convert to fraction form
    117,460.18/162,173.10 = 69,728.86/x
  3. Step 3: Cross multiply
    117,460.18x = 162,173.10 × 69,728.86
  4. Step 4: Simplify right side
    117,460.18x = 11,308,145,385.67
  5. Step 5: Solve for x
    x = 11,308,145,385.67/117,460.18
  6. Step 6: Final answer
    x = 96,272.16

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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.