Home / 351,350.52-527,026.04-85,111.36

Finding the Fourth Proportional to 351,350.52, 527,026.04 and 85,111.36

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Solution

The fourth proportional to 351,350.52, 527,026.04 and 85,111.36 is: 127,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,350.52 : 527,026.04 = 85,111.36 : x
  2. Step 2: Convert to fraction form
    351,350.52/527,026.04 = 85,111.36/x
  3. Step 3: Cross multiply
    351,350.52x = 527,026.04 × 85,111.36
  4. Step 4: Simplify right side
    351,350.52x = 44,855,903,019.81
  5. Step 5: Solve for x
    x = 44,855,903,019.81/351,350.52
  6. Step 6: Final answer
    x = 127,667.10

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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.