Home / 493,035.50-739,555.40-156,077.80

Finding the Fourth Proportional to 493,035.50, 739,555.40 and 156,077.80

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Solution

The fourth proportional to 493,035.50, 739,555.40 and 156,077.80 is: 234,117.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,035.50 : 739,555.40 = 156,077.80 : x
  2. Step 2: Convert to fraction form
    493,035.50/739,555.40 = 156,077.80/x
  3. Step 3: Cross multiply
    493,035.50x = 739,555.40 × 156,077.80
  4. Step 4: Simplify right side
    493,035.50x = 115,428,179,810.12
  5. Step 5: Solve for x
    x = 115,428,179,810.12/493,035.50
  6. Step 6: Final answer
    x = 234,117.38

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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.