Home / 140,526.27-210,736.44-45,731.61

Finding the Fourth Proportional to 140,526.27, 210,736.44 and 45,731.61

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Solution

The fourth proportional to 140,526.27, 210,736.44 and 45,731.61 is: 68,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,526.27 : 210,736.44 = 45,731.61 : x
  2. Step 2: Convert to fraction form
    140,526.27/210,736.44 = 45,731.61/x
  3. Step 3: Cross multiply
    140,526.27x = 210,736.44 × 45,731.61
  4. Step 4: Simplify right side
    140,526.27x = 9,637,316,686.87
  5. Step 5: Solve for x
    x = 9,637,316,686.87/140,526.27
  6. Step 6: Final answer
    x = 68,580.18

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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.