Home / 347,072.04-520,013.93-189,411.21

Finding the Fourth Proportional to 347,072.04, 520,013.93 and 189,411.21

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Solution

The fourth proportional to 347,072.04, 520,013.93 and 189,411.21 is: 283,792.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,072.04 : 520,013.93 = 189,411.21 : x
  2. Step 2: Convert to fraction form
    347,072.04/520,013.93 = 189,411.21/x
  3. Step 3: Cross multiply
    347,072.04x = 520,013.93 × 189,411.21
  4. Step 4: Simplify right side
    347,072.04x = 98,496,466,751.10
  5. Step 5: Solve for x
    x = 98,496,466,751.10/347,072.04
  6. Step 6: Final answer
    x = 283,792.57

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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.