Home / 123,605.28-185,259.60-56,953.92

Finding the Fourth Proportional to 123,605.28, 185,259.60 and 56,953.92

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Solution

The fourth proportional to 123,605.28, 185,259.60 and 56,953.92 is: 85,362.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,605.28 : 185,259.60 = 56,953.92 : x
  2. Step 2: Convert to fraction form
    123,605.28/185,259.60 = 56,953.92/x
  3. Step 3: Cross multiply
    123,605.28x = 185,259.60 × 56,953.92
  4. Step 4: Simplify right side
    123,605.28x = 10,551,260,437.63
  5. Step 5: Solve for x
    x = 10,551,260,437.63/123,605.28
  6. Step 6: Final answer
    x = 85,362.54

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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.