Home / 140,081.17-210,093.50-51,304.36

Finding the Fourth Proportional to 140,081.17, 210,093.50 and 51,304.36

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Solution

The fourth proportional to 140,081.17, 210,093.50 and 51,304.36 is: 76,946.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,081.17 : 210,093.50 = 51,304.36 : x
  2. Step 2: Convert to fraction form
    140,081.17/210,093.50 = 51,304.36/x
  3. Step 3: Cross multiply
    140,081.17x = 210,093.50 × 51,304.36
  4. Step 4: Simplify right side
    140,081.17x = 10,778,712,160.69
  5. Step 5: Solve for x
    x = 10,778,712,160.69/140,081.17
  6. Step 6: Final answer
    x = 76,946.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.