Home / 117,419.39-162,039.67-69,008.32

Finding the Fourth Proportional to 117,419.39, 162,039.67 and 69,008.32

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Solution

The fourth proportional to 117,419.39, 162,039.67 and 69,008.32 is: 95,232.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,419.39 : 162,039.67 = 69,008.32 : x
  2. Step 2: Convert to fraction form
    117,419.39/162,039.67 = 69,008.32/x
  3. Step 3: Cross multiply
    117,419.39x = 162,039.67 × 69,008.32
  4. Step 4: Simplify right side
    117,419.39x = 11,182,084,589.86
  5. Step 5: Solve for x
    x = 11,182,084,589.86/117,419.39
  6. Step 6: Final answer
    x = 95,232.01

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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.