Home / 255,070.89-382,081.32-149,635.62

Finding the Fourth Proportional to 255,070.89, 382,081.32 and 149,635.62

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Solution

The fourth proportional to 255,070.89, 382,081.32 and 149,635.62 is: 224,145.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,070.89 : 382,081.32 = 149,635.62 : x
  2. Step 2: Convert to fraction form
    255,070.89/382,081.32 = 149,635.62/x
  3. Step 3: Cross multiply
    255,070.89x = 382,081.32 × 149,635.62
  4. Step 4: Simplify right side
    255,070.89x = 57,172,975,208.62
  5. Step 5: Solve for x
    x = 57,172,975,208.62/255,070.89
  6. Step 6: Final answer
    x = 224,145.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.