Home / 553,092.21-829,633.68-153,731.81

Finding the Fourth Proportional to 553,092.21, 829,633.68 and 153,731.81

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Solution

The fourth proportional to 553,092.21, 829,633.68 and 153,731.81 is: 230,596.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,092.21 : 829,633.68 = 153,731.81 : x
  2. Step 2: Convert to fraction form
    553,092.21/829,633.68 = 153,731.81/x
  3. Step 3: Cross multiply
    553,092.21x = 829,633.68 × 153,731.81
  4. Step 4: Simplify right side
    553,092.21x = 127,541,089,337.45
  5. Step 5: Solve for x
    x = 127,541,089,337.45/553,092.21
  6. Step 6: Final answer
    x = 230,596.43

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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.