Home / 117,696.40-162,405-69,932.32

Finding the Fourth Proportional to 117,696.40, 162,405 and 69,932.32

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Solution

The fourth proportional to 117,696.40, 162,405 and 69,932.32 is: 96,497.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,696.40 : 162,405 = 69,932.32 : x
  2. Step 2: Convert to fraction form
    117,696.40/162,405 = 69,932.32/x
  3. Step 3: Cross multiply
    117,696.40x = 162,405 × 69,932.32
  4. Step 4: Simplify right side
    117,696.40x = 11,357,358,429.60
  5. Step 5: Solve for x
    x = 11,357,358,429.60/117,696.40
  6. Step 6: Final answer
    x = 96,497.08

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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.