Home / 150,435.53-207,595.51-82,451.72

Finding the Fourth Proportional to 150,435.53, 207,595.51 and 82,451.72

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Solution

The fourth proportional to 150,435.53, 207,595.51 and 82,451.72 is: 113,780.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,435.53 : 207,595.51 = 82,451.72 : x
  2. Step 2: Convert to fraction form
    150,435.53/207,595.51 = 82,451.72/x
  3. Step 3: Cross multiply
    150,435.53x = 207,595.51 × 82,451.72
  4. Step 4: Simplify right side
    150,435.53x = 17,116,607,176.64
  5. Step 5: Solve for x
    x = 17,116,607,176.64/150,435.53
  6. Step 6: Final answer
    x = 113,780.35

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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.