Home / 261,623.52-361,109.46-154,265.04

Finding the Fourth Proportional to 261,623.52, 361,109.46 and 154,265.04

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Solution

The fourth proportional to 261,623.52, 361,109.46 and 154,265.04 is: 212,926.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,623.52 : 361,109.46 = 154,265.04 : x
  2. Step 2: Convert to fraction form
    261,623.52/361,109.46 = 154,265.04/x
  3. Step 3: Cross multiply
    261,623.52x = 361,109.46 × 154,265.04
  4. Step 4: Simplify right side
    261,623.52x = 55,706,565,291.28
  5. Step 5: Solve for x
    x = 55,706,565,291.28/261,623.52
  6. Step 6: Final answer
    x = 212,926.44

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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.