Home / 160,135.54-221,009-92,151.12

Finding the Fourth Proportional to 160,135.54, 221,009 and 92,151.12

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Solution

The fourth proportional to 160,135.54, 221,009 and 92,151.12 is: 127,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,135.54 : 221,009 = 92,151.12 : x
  2. Step 2: Convert to fraction form
    160,135.54/221,009 = 92,151.12/x
  3. Step 3: Cross multiply
    160,135.54x = 221,009 × 92,151.12
  4. Step 4: Simplify right side
    160,135.54x = 20,366,226,880.08
  5. Step 5: Solve for x
    x = 20,366,226,880.08/160,135.54
  6. Step 6: Final answer
    x = 127,181.18

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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.