Home / 500,965.05-751,538.70-163,911.90

Finding the Fourth Proportional to 500,965.05, 751,538.70 and 163,911.90

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Solution

The fourth proportional to 500,965.05, 751,538.70 and 163,911.90 is: 245,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,965.05 : 751,538.70 = 163,911.90 : x
  2. Step 2: Convert to fraction form
    500,965.05/751,538.70 = 163,911.90/x
  3. Step 3: Cross multiply
    500,965.05x = 751,538.70 × 163,911.90
  4. Step 4: Simplify right side
    500,965.05x = 123,186,136,240.53
  5. Step 5: Solve for x
    x = 123,186,136,240.53/500,965.05
  6. Step 6: Final answer
    x = 245,897.67

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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.