Home / 146,686.32-220,171.38-70,838.02

Finding the Fourth Proportional to 146,686.32, 220,171.38 and 70,838.02

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Solution

The fourth proportional to 146,686.32, 220,171.38 and 70,838.02 is: 106,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,686.32 : 220,171.38 = 70,838.02 : x
  2. Step 2: Convert to fraction form
    146,686.32/220,171.38 = 70,838.02/x
  3. Step 3: Cross multiply
    146,686.32x = 220,171.38 × 70,838.02
  4. Step 4: Simplify right side
    146,686.32x = 15,596,503,715.25
  5. Step 5: Solve for x
    x = 15,596,503,715.25/146,686.32
  6. Step 6: Final answer
    x = 106,325.55

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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.