Home / 251,015.47-346,366.49-147,654.35

Finding the Fourth Proportional to 251,015.47, 346,366.49 and 147,654.35

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Solution

The fourth proportional to 251,015.47, 346,366.49 and 147,654.35 is: 203,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,015.47 : 346,366.49 = 147,654.35 : x
  2. Step 2: Convert to fraction form
    251,015.47/346,366.49 = 147,654.35/x
  3. Step 3: Cross multiply
    251,015.47x = 346,366.49 × 147,654.35
  4. Step 4: Simplify right side
    251,015.47x = 51,142,518,942.73
  5. Step 5: Solve for x
    x = 51,142,518,942.73/251,015.47
  6. Step 6: Final answer
    x = 203,742.50

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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.