Home / 156,747.40-235,137.54-51,574.60

Finding the Fourth Proportional to 156,747.40, 235,137.54 and 51,574.60

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Solution

The fourth proportional to 156,747.40, 235,137.54 and 51,574.60 is: 77,367.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,747.40 : 235,137.54 = 51,574.60 : x
  2. Step 2: Convert to fraction form
    156,747.40/235,137.54 = 51,574.60/x
  3. Step 3: Cross multiply
    156,747.40x = 235,137.54 × 51,574.60
  4. Step 4: Simplify right side
    156,747.40x = 12,127,124,570.48
  5. Step 5: Solve for x
    x = 12,127,124,570.48/156,747.40
  6. Step 6: Final answer
    x = 77,367.31

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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.