Home / 229,548.70-316,767-127,581.31

Finding the Fourth Proportional to 229,548.70, 316,767 and 127,581.31

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Solution

The fourth proportional to 229,548.70, 316,767 and 127,581.31 is: 176,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,548.70 : 316,767 = 127,581.31 : x
  2. Step 2: Convert to fraction form
    229,548.70/316,767 = 127,581.31/x
  3. Step 3: Cross multiply
    229,548.70x = 316,767 × 127,581.31
  4. Step 4: Simplify right side
    229,548.70x = 40,413,548,824.77
  5. Step 5: Solve for x
    x = 40,413,548,824.77/229,548.70
  6. Step 6: Final answer
    x = 176,056.54

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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.