Home / 146,282.40-201,731.04-100,887.84

Finding the Fourth Proportional to 146,282.40, 201,731.04 and 100,887.84

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Solution

The fourth proportional to 146,282.40, 201,731.04 and 100,887.84 is: 139,129.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,282.40 : 201,731.04 = 100,887.84 : x
  2. Step 2: Convert to fraction form
    146,282.40/201,731.04 = 100,887.84/x
  3. Step 3: Cross multiply
    146,282.40x = 201,731.04 × 100,887.84
  4. Step 4: Simplify right side
    146,282.40x = 20,352,208,886.55
  5. Step 5: Solve for x
    x = 20,352,208,886.55/146,282.40
  6. Step 6: Final answer
    x = 139,129.58

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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.