Home / 142,726.40-214,089.60-95,724.80

Finding the Fourth Proportional to 142,726.40, 214,089.60 and 95,724.80

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Solution

The fourth proportional to 142,726.40, 214,089.60 and 95,724.80 is: 143,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,726.40 : 214,089.60 = 95,724.80 : x
  2. Step 2: Convert to fraction form
    142,726.40/214,089.60 = 95,724.80/x
  3. Step 3: Cross multiply
    142,726.40x = 214,089.60 × 95,724.80
  4. Step 4: Simplify right side
    142,726.40x = 20,493,684,142.08
  5. Step 5: Solve for x
    x = 20,493,684,142.08/142,726.40
  6. Step 6: Final answer
    x = 143,587.20

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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.