Home / 154,037.22-212,564.70-86,053.92

Finding the Fourth Proportional to 154,037.22, 212,564.70 and 86,053.92

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Solution

The fourth proportional to 154,037.22, 212,564.70 and 86,053.92 is: 118,750.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,037.22 : 212,564.70 = 86,053.92 : x
  2. Step 2: Convert to fraction form
    154,037.22/212,564.70 = 86,053.92/x
  3. Step 3: Cross multiply
    154,037.22x = 212,564.70 × 86,053.92
  4. Step 4: Simplify right side
    154,037.22x = 18,292,025,688.62
  5. Step 5: Solve for x
    x = 18,292,025,688.62/154,037.22
  6. Step 6: Final answer
    x = 118,750.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.