Home / 127,667.28-176,202.20-73,984.96

Finding the Fourth Proportional to 127,667.28, 176,202.20 and 73,984.96

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Solution

The fourth proportional to 127,667.28, 176,202.20 and 73,984.96 is: 102,111.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,667.28 : 176,202.20 = 73,984.96 : x
  2. Step 2: Convert to fraction form
    127,667.28/176,202.20 = 73,984.96/x
  3. Step 3: Cross multiply
    127,667.28x = 176,202.20 × 73,984.96
  4. Step 4: Simplify right side
    127,667.28x = 13,036,312,718.91
  5. Step 5: Solve for x
    x = 13,036,312,718.91/127,667.28
  6. Step 6: Final answer
    x = 102,111.62

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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.