Home / 229,005.11-316,032.12-127,027.25

Finding the Fourth Proportional to 229,005.11, 316,032.12 and 127,027.25

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Solution

The fourth proportional to 229,005.11, 316,032.12 and 127,027.25 is: 175,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,005.11 : 316,032.12 = 127,027.25 : x
  2. Step 2: Convert to fraction form
    229,005.11/316,032.12 = 127,027.25/x
  3. Step 3: Cross multiply
    229,005.11x = 316,032.12 × 127,027.25
  4. Step 4: Simplify right side
    229,005.11x = 40,144,691,115.27
  5. Step 5: Solve for x
    x = 40,144,691,115.27/229,005.11
  6. Step 6: Final answer
    x = 175,300.42

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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.