Home / 140,063.45-210,095.18-51,280.97

Finding the Fourth Proportional to 140,063.45, 210,095.18 and 51,280.97

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Solution

The fourth proportional to 140,063.45, 210,095.18 and 51,280.97 is: 76,921.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,063.45 : 210,095.18 = 51,280.97 : x
  2. Step 2: Convert to fraction form
    140,063.45/210,095.18 = 51,280.97/x
  3. Step 3: Cross multiply
    140,063.45x = 210,095.18 × 51,280.97
  4. Step 4: Simplify right side
    140,063.45x = 10,773,884,622.72
  5. Step 5: Solve for x
    x = 10,773,884,622.72/140,063.45
  6. Step 6: Final answer
    x = 76,921.46

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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.