Home / 120,496.80-180,710.64-46,607.52

Finding the Fourth Proportional to 120,496.80, 180,710.64 and 46,607.52

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Solution

The fourth proportional to 120,496.80, 180,710.64 and 46,607.52 is: 69,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,496.80 : 180,710.64 = 46,607.52 : x
  2. Step 2: Convert to fraction form
    120,496.80/180,710.64 = 46,607.52/x
  3. Step 3: Cross multiply
    120,496.80x = 180,710.64 × 46,607.52
  4. Step 4: Simplify right side
    120,496.80x = 8,422,474,768.01
  5. Step 5: Solve for x
    x = 8,422,474,768.01/120,496.80
  6. Step 6: Final answer
    x = 69,897.91

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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.