Home / 351,580.12-527,328.36-91,900.60

Finding the Fourth Proportional to 351,580.12, 527,328.36 and 91,900.60

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Solution

The fourth proportional to 351,580.12, 527,328.36 and 91,900.60 is: 137,839.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,580.12 : 527,328.36 = 91,900.60 : x
  2. Step 2: Convert to fraction form
    351,580.12/527,328.36 = 91,900.60/x
  3. Step 3: Cross multiply
    351,580.12x = 527,328.36 × 91,900.60
  4. Step 4: Simplify right side
    351,580.12x = 48,461,792,681.02
  5. Step 5: Solve for x
    x = 48,461,792,681.02/351,580.12
  6. Step 6: Final answer
    x = 137,839.97

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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.