Home / 140,007.88-193,215.54-76,349.17

Finding the Fourth Proportional to 140,007.88, 193,215.54 and 76,349.17

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Solution

The fourth proportional to 140,007.88, 193,215.54 and 76,349.17 is: 105,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,007.88 : 193,215.54 = 76,349.17 : x
  2. Step 2: Convert to fraction form
    140,007.88/193,215.54 = 76,349.17/x
  3. Step 3: Cross multiply
    140,007.88x = 193,215.54 × 76,349.17
  4. Step 4: Simplify right side
    140,007.88x = 14,751,846,110.10
  5. Step 5: Solve for x
    x = 14,751,846,110.10/140,007.88
  6. Step 6: Final answer
    x = 105,364.40

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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.