Home / 142,060.68-213,035.62-53,265.80

Finding the Fourth Proportional to 142,060.68, 213,035.62 and 53,265.80

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Solution

The fourth proportional to 142,060.68, 213,035.62 and 53,265.80 is: 79,877.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,060.68 : 213,035.62 = 53,265.80 : x
  2. Step 2: Convert to fraction form
    142,060.68/213,035.62 = 53,265.80/x
  3. Step 3: Cross multiply
    142,060.68x = 213,035.62 × 53,265.80
  4. Step 4: Simplify right side
    142,060.68x = 11,347,512,727.80
  5. Step 5: Solve for x
    x = 11,347,512,727.80/142,060.68
  6. Step 6: Final answer
    x = 79,877.93

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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.