Home / 657,107.40-985,588.20-183,840.60

Finding the Fourth Proportional to 657,107.40, 985,588.20 and 183,840.60

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Solution

The fourth proportional to 657,107.40, 985,588.20 and 183,840.60 is: 275,740.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,107.40 : 985,588.20 = 183,840.60 : x
  2. Step 2: Convert to fraction form
    657,107.40/985,588.20 = 183,840.60/x
  3. Step 3: Cross multiply
    657,107.40x = 985,588.20 × 183,840.60
  4. Step 4: Simplify right side
    657,107.40x = 181,191,126,040.92
  5. Step 5: Solve for x
    x = 181,191,126,040.92/657,107.40
  6. Step 6: Final answer
    x = 275,740.50

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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.