Home / 101,207.07-150,992.30-91,118.62

Finding the Fourth Proportional to 101,207.07, 150,992.30 and 91,118.62

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Solution

The fourth proportional to 101,207.07, 150,992.30 and 91,118.62 is: 135,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,207.07 : 150,992.30 = 91,118.62 : x
  2. Step 2: Convert to fraction form
    101,207.07/150,992.30 = 91,118.62/x
  3. Step 3: Cross multiply
    101,207.07x = 150,992.30 × 91,118.62
  4. Step 4: Simplify right side
    101,207.07x = 13,758,210,423.16
  5. Step 5: Solve for x
    x = 13,758,210,423.16/101,207.07
  6. Step 6: Final answer
    x = 135,941.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.