Home / 142,822.16-214,251.86-52,852.62

Finding the Fourth Proportional to 142,822.16, 214,251.86 and 52,852.62

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Solution

The fourth proportional to 142,822.16, 214,251.86 and 52,852.62 is: 79,285.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,822.16 : 214,251.86 = 52,852.62 : x
  2. Step 2: Convert to fraction form
    142,822.16/214,251.86 = 52,852.62/x
  3. Step 3: Cross multiply
    142,822.16x = 214,251.86 × 52,852.62
  4. Step 4: Simplify right side
    142,822.16x = 11,323,772,140.87
  5. Step 5: Solve for x
    x = 11,323,772,140.87/142,822.16
  6. Step 6: Final answer
    x = 79,285.82

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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.