Home / 280,349.46-386,990.73-167,180.58

Finding the Fourth Proportional to 280,349.46, 386,990.73 and 167,180.58

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Solution

The fourth proportional to 280,349.46, 386,990.73 and 167,180.58 is: 230,773.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,349.46 : 386,990.73 = 167,180.58 : x
  2. Step 2: Convert to fraction form
    280,349.46/386,990.73 = 167,180.58/x
  3. Step 3: Cross multiply
    280,349.46x = 386,990.73 × 167,180.58
  4. Step 4: Simplify right side
    280,349.46x = 64,697,334,696.02
  5. Step 5: Solve for x
    x = 64,697,334,696.02/280,349.46
  6. Step 6: Final answer
    x = 230,773.89

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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.