Home / 255,072.90-382,084.32-149,637.62

Finding the Fourth Proportional to 255,072.90, 382,084.32 and 149,637.62

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Solution

The fourth proportional to 255,072.90, 382,084.32 and 149,637.62 is: 224,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,072.90 : 382,084.32 = 149,637.62 : x
  2. Step 2: Convert to fraction form
    255,072.90/382,084.32 = 149,637.62/x
  3. Step 3: Cross multiply
    255,072.90x = 382,084.32 × 149,637.62
  4. Step 4: Simplify right side
    255,072.90x = 57,174,188,284.12
  5. Step 5: Solve for x
    x = 57,174,188,284.12/255,072.90
  6. Step 6: Final answer
    x = 224,148.42

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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.