Home / 229,103.13-316,157.53-127,127.73

Finding the Fourth Proportional to 229,103.13, 316,157.53 and 127,127.73

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Solution

The fourth proportional to 229,103.13, 316,157.53 and 127,127.73 is: 175,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,103.13 : 316,157.53 = 127,127.73 : x
  2. Step 2: Convert to fraction form
    229,103.13/316,157.53 = 127,127.73/x
  3. Step 3: Cross multiply
    229,103.13x = 316,157.53 × 127,127.73
  4. Step 4: Simplify right side
    229,103.13x = 40,192,388,439.06
  5. Step 5: Solve for x
    x = 40,192,388,439.06/229,103.13
  6. Step 6: Final answer
    x = 175,433.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.