Home / 229,010.40-316,036.25-127,042.54

Finding the Fourth Proportional to 229,010.40, 316,036.25 and 127,042.54

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Solution

The fourth proportional to 229,010.40, 316,036.25 and 127,042.54 is: 175,319.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,010.40 : 316,036.25 = 127,042.54 : x
  2. Step 2: Convert to fraction form
    229,010.40/316,036.25 = 127,042.54/x
  3. Step 3: Cross multiply
    229,010.40x = 316,036.25 × 127,042.54
  4. Step 4: Simplify right side
    229,010.40x = 40,150,046,983.18
  5. Step 5: Solve for x
    x = 40,150,046,983.18/229,010.40
  6. Step 6: Final answer
    x = 175,319.75

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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.