Home / 310,954.12-429,138.47-175,001.15

Finding the Fourth Proportional to 310,954.12, 429,138.47 and 175,001.15

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Solution

The fourth proportional to 310,954.12, 429,138.47 and 175,001.15 is: 241,513.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,954.12 : 429,138.47 = 175,001.15 : x
  2. Step 2: Convert to fraction form
    310,954.12/429,138.47 = 175,001.15/x
  3. Step 3: Cross multiply
    310,954.12x = 429,138.47 × 175,001.15
  4. Step 4: Simplify right side
    310,954.12x = 75,099,725,759.24
  5. Step 5: Solve for x
    x = 75,099,725,759.24/310,954.12
  6. Step 6: Final answer
    x = 241,513.85

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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.