Home / 152,426.36-210,355.92-91,996.04

Finding the Fourth Proportional to 152,426.36, 210,355.92 and 91,996.04

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Solution

The fourth proportional to 152,426.36, 210,355.92 and 91,996.04 is: 126,959.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,426.36 : 210,355.92 = 91,996.04 : x
  2. Step 2: Convert to fraction form
    152,426.36/210,355.92 = 91,996.04/x
  3. Step 3: Cross multiply
    152,426.36x = 210,355.92 × 91,996.04
  4. Step 4: Simplify right side
    152,426.36x = 19,351,911,630.56
  5. Step 5: Solve for x
    x = 19,351,911,630.56/152,426.36
  6. Step 6: Final answer
    x = 126,959.09

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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.