Home / 328,864.36-493,298.70-104,220.04

Finding the Fourth Proportional to 328,864.36, 493,298.70 and 104,220.04

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Solution

The fourth proportional to 328,864.36, 493,298.70 and 104,220.04 is: 156,330.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,864.36 : 493,298.70 = 104,220.04 : x
  2. Step 2: Convert to fraction form
    328,864.36/493,298.70 = 104,220.04/x
  3. Step 3: Cross multiply
    328,864.36x = 493,298.70 × 104,220.04
  4. Step 4: Simplify right side
    328,864.36x = 51,411,610,245.95
  5. Step 5: Solve for x
    x = 51,411,610,245.95/328,864.36
  6. Step 6: Final answer
    x = 156,330.74

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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.