Home / 375,499.18-563,283.39-122,780.96

Finding the Fourth Proportional to 375,499.18, 563,283.39 and 122,780.96

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Solution

The fourth proportional to 375,499.18, 563,283.39 and 122,780.96 is: 184,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,499.18 : 563,283.39 = 122,780.96 : x
  2. Step 2: Convert to fraction form
    375,499.18/563,283.39 = 122,780.96/x
  3. Step 3: Cross multiply
    375,499.18x = 563,283.39 × 122,780.96
  4. Step 4: Simplify right side
    375,499.18x = 69,160,475,376.25
  5. Step 5: Solve for x
    x = 69,160,475,376.25/375,499.18
  6. Step 6: Final answer
    x = 184,182.76

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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.