Home / 140,185.25-193,458.29-76,525.32

Finding the Fourth Proportional to 140,185.25, 193,458.29 and 76,525.32

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Solution

The fourth proportional to 140,185.25, 193,458.29 and 76,525.32 is: 105,606.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,185.25 : 193,458.29 = 76,525.32 : x
  2. Step 2: Convert to fraction form
    140,185.25/193,458.29 = 76,525.32/x
  3. Step 3: Cross multiply
    140,185.25x = 193,458.29 × 76,525.32
  4. Step 4: Simplify right side
    140,185.25x = 14,804,457,166.28
  5. Step 5: Solve for x
    x = 14,804,457,166.28/140,185.25
  6. Step 6: Final answer
    x = 105,606.39

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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.