Home / 140,207.31-193,477.08-76,544.97

Finding the Fourth Proportional to 140,207.31, 193,477.08 and 76,544.97

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Solution

The fourth proportional to 140,207.31, 193,477.08 and 76,544.97 is: 105,627.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,207.31 : 193,477.08 = 76,544.97 : x
  2. Step 2: Convert to fraction form
    140,207.31/193,477.08 = 76,544.97/x
  3. Step 3: Cross multiply
    140,207.31x = 193,477.08 × 76,544.97
  4. Step 4: Simplify right side
    140,207.31x = 14,809,697,284.29
  5. Step 5: Solve for x
    x = 14,809,697,284.29/140,207.31
  6. Step 6: Final answer
    x = 105,627.14

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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.