Home / 178,867.47-246,783.24-107,221.35

Finding the Fourth Proportional to 178,867.47, 246,783.24 and 107,221.35

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Solution

The fourth proportional to 178,867.47, 246,783.24 and 107,221.35 is: 147,933.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,867.47 : 246,783.24 = 107,221.35 : x
  2. Step 2: Convert to fraction form
    178,867.47/246,783.24 = 107,221.35/x
  3. Step 3: Cross multiply
    178,867.47x = 246,783.24 × 107,221.35
  4. Step 4: Simplify right side
    178,867.47x = 26,460,432,150.17
  5. Step 5: Solve for x
    x = 26,460,432,150.17/178,867.47
  6. Step 6: Final answer
    x = 147,933.17

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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.