Home / 148,696.32-205,436.16-113,007.36

Finding the Fourth Proportional to 148,696.32, 205,436.16 and 113,007.36

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Solution

The fourth proportional to 148,696.32, 205,436.16 and 113,007.36 is: 156,128.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,696.32 : 205,436.16 = 113,007.36 : x
  2. Step 2: Convert to fraction form
    148,696.32/205,436.16 = 113,007.36/x
  3. Step 3: Cross multiply
    148,696.32x = 205,436.16 × 113,007.36
  4. Step 4: Simplify right side
    148,696.32x = 23,215,798,090.14
  5. Step 5: Solve for x
    x = 23,215,798,090.14/148,696.32
  6. Step 6: Final answer
    x = 156,128.94

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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.