Home / 150,475.36-207,677.52-86,835.04

Finding the Fourth Proportional to 150,475.36, 207,677.52 and 86,835.04

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Solution

The fourth proportional to 150,475.36, 207,677.52 and 86,835.04 is: 119,844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,475.36 : 207,677.52 = 86,835.04 : x
  2. Step 2: Convert to fraction form
    150,475.36/207,677.52 = 86,835.04/x
  3. Step 3: Cross multiply
    150,475.36x = 207,677.52 × 86,835.04
  4. Step 4: Simplify right side
    150,475.36x = 18,033,685,756.30
  5. Step 5: Solve for x
    x = 18,033,685,756.30/150,475.36
  6. Step 6: Final answer
    x = 119,844.78

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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.