Home / 101,286.18-151,847.06-42,166.10

Finding the Fourth Proportional to 101,286.18, 151,847.06 and 42,166.10

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Solution

The fourth proportional to 101,286.18, 151,847.06 and 42,166.10 is: 63,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,286.18 : 151,847.06 = 42,166.10 : x
  2. Step 2: Convert to fraction form
    101,286.18/151,847.06 = 42,166.10/x
  3. Step 3: Cross multiply
    101,286.18x = 151,847.06 × 42,166.10
  4. Step 4: Simplify right side
    101,286.18x = 6,402,798,485.45
  5. Step 5: Solve for x
    x = 6,402,798,485.45/101,286.18
  6. Step 6: Final answer
    x = 63,214.93

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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.