Home / 368,943.42-553,360.05-102,676.17

Finding the Fourth Proportional to 368,943.42, 553,360.05 and 102,676.17

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Solution

The fourth proportional to 368,943.42, 553,360.05 and 102,676.17 is: 153,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,943.42 : 553,360.05 = 102,676.17 : x
  2. Step 2: Convert to fraction form
    368,943.42/553,360.05 = 102,676.17/x
  3. Step 3: Cross multiply
    368,943.42x = 553,360.05 × 102,676.17
  4. Step 4: Simplify right side
    368,943.42x = 56,816,890,565.01
  5. Step 5: Solve for x
    x = 56,816,890,565.01/368,943.42
  6. Step 6: Final answer
    x = 153,998.93

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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.