Home / 355,985.10-534,065.04-163,769.58

Finding the Fourth Proportional to 355,985.10, 534,065.04 and 163,769.58

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Solution

The fourth proportional to 355,985.10, 534,065.04 and 163,769.58 is: 245,694.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,985.10 : 534,065.04 = 163,769.58 : x
  2. Step 2: Convert to fraction form
    355,985.10/534,065.04 = 163,769.58/x
  3. Step 3: Cross multiply
    355,985.10x = 534,065.04 × 163,769.58
  4. Step 4: Simplify right side
    355,985.10x = 87,463,607,293.48
  5. Step 5: Solve for x
    x = 87,463,607,293.48/355,985.10
  6. Step 6: Final answer
    x = 245,694.57

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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.