Home / 170,141.10-234,824.67-129,792.30

Finding the Fourth Proportional to 170,141.10, 234,824.67 and 129,792.30

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Solution

The fourth proportional to 170,141.10, 234,824.67 and 129,792.30 is: 179,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,141.10 : 234,824.67 = 129,792.30 : x
  2. Step 2: Convert to fraction form
    170,141.10/234,824.67 = 129,792.30/x
  3. Step 3: Cross multiply
    170,141.10x = 234,824.67 × 129,792.30
  4. Step 4: Simplify right side
    170,141.10x = 30,478,434,016.04
  5. Step 5: Solve for x
    x = 30,478,434,016.04/170,141.10
  6. Step 6: Final answer
    x = 179,136.22

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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.