Home / 220,637.28-304,585.20-135,827.04

Finding the Fourth Proportional to 220,637.28, 304,585.20 and 135,827.04

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Solution

The fourth proportional to 220,637.28, 304,585.20 and 135,827.04 is: 187,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,637.28 : 304,585.20 = 135,827.04 : x
  2. Step 2: Convert to fraction form
    220,637.28/304,585.20 = 135,827.04/x
  3. Step 3: Cross multiply
    220,637.28x = 304,585.20 × 135,827.04
  4. Step 4: Simplify right side
    220,637.28x = 41,370,906,143.81
  5. Step 5: Solve for x
    x = 41,370,906,143.81/220,637.28
  6. Step 6: Final answer
    x = 187,506.42

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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.