Home / 140,554.17-193,964.67-76,892.40

Finding the Fourth Proportional to 140,554.17, 193,964.67 and 76,892.40

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Solution

The fourth proportional to 140,554.17, 193,964.67 and 76,892.40 is: 106,111.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,554.17 : 193,964.67 = 76,892.40 : x
  2. Step 2: Convert to fraction form
    140,554.17/193,964.67 = 76,892.40/x
  3. Step 3: Cross multiply
    140,554.17x = 193,964.67 × 76,892.40
  4. Step 4: Simplify right side
    140,554.17x = 14,914,408,991.51
  5. Step 5: Solve for x
    x = 14,914,408,991.51/140,554.17
  6. Step 6: Final answer
    x = 106,111.47

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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.