Home / 347,880.69-521,631.33-104,686.33

Finding the Fourth Proportional to 347,880.69, 521,631.33 and 104,686.33

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Solution

The fourth proportional to 347,880.69, 521,631.33 and 104,686.33 is: 156,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,880.69 : 521,631.33 = 104,686.33 : x
  2. Step 2: Convert to fraction form
    347,880.69/521,631.33 = 104,686.33/x
  3. Step 3: Cross multiply
    347,880.69x = 521,631.33 × 104,686.33
  4. Step 4: Simplify right side
    347,880.69x = 54,607,666,419.13
  5. Step 5: Solve for x
    x = 54,607,666,419.13/347,880.69
  6. Step 6: Final answer
    x = 156,972.40

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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.