Home / 229,871.10-344,903.85-145,695.90

Finding the Fourth Proportional to 229,871.10, 344,903.85 and 145,695.90

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Solution

The fourth proportional to 229,871.10, 344,903.85 and 145,695.90 is: 218,605.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,871.10 : 344,903.85 = 145,695.90 : x
  2. Step 2: Convert to fraction form
    229,871.10/344,903.85 = 145,695.90/x
  3. Step 3: Cross multiply
    229,871.10x = 344,903.85 × 145,695.90
  4. Step 4: Simplify right side
    229,871.10x = 50,251,076,839.22
  5. Step 5: Solve for x
    x = 50,251,076,839.22/229,871.10
  6. Step 6: Final answer
    x = 218,605.46

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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.