Home / 356,826.39-535,084.06-120,105.51

Finding the Fourth Proportional to 356,826.39, 535,084.06 and 120,105.51

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Solution

The fourth proportional to 356,826.39, 535,084.06 and 120,105.51 is: 180,105.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,826.39 : 535,084.06 = 120,105.51 : x
  2. Step 2: Convert to fraction form
    356,826.39/535,084.06 = 120,105.51/x
  3. Step 3: Cross multiply
    356,826.39x = 535,084.06 × 120,105.51
  4. Step 4: Simplify right side
    356,826.39x = 64,266,543,919.17
  5. Step 5: Solve for x
    x = 64,266,543,919.17/356,826.39
  6. Step 6: Final answer
    x = 180,105.92

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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.