Home / 229,243.86-316,342.32-127,263.36

Finding the Fourth Proportional to 229,243.86, 316,342.32 and 127,263.36

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Solution

The fourth proportional to 229,243.86, 316,342.32 and 127,263.36 is: 175,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,243.86 : 316,342.32 = 127,263.36 : x
  2. Step 2: Convert to fraction form
    229,243.86/316,342.32 = 127,263.36/x
  3. Step 3: Cross multiply
    229,243.86x = 316,342.32 × 127,263.36
  4. Step 4: Simplify right side
    229,243.86x = 40,258,786,553.40
  5. Step 5: Solve for x
    x = 40,258,786,553.40/229,243.86
  6. Step 6: Final answer
    x = 175,615.55

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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.