Home / 160,861.66-221,787.10-117,766.32

Finding the Fourth Proportional to 160,861.66, 221,787.10 and 117,766.32

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Solution

The fourth proportional to 160,861.66, 221,787.10 and 117,766.32 is: 162,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,861.66 : 221,787.10 = 117,766.32 : x
  2. Step 2: Convert to fraction form
    160,861.66/221,787.10 = 117,766.32/x
  3. Step 3: Cross multiply
    160,861.66x = 221,787.10 × 117,766.32
  4. Step 4: Simplify right side
    160,861.66x = 26,119,050,590.47
  5. Step 5: Solve for x
    x = 26,119,050,590.47/160,861.66
  6. Step 6: Final answer
    x = 162,369.64

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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.