Home / 111,906.02-154,451.01-64,159.70

Finding the Fourth Proportional to 111,906.02, 154,451.01 and 64,159.70

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Solution

The fourth proportional to 111,906.02, 154,451.01 and 64,159.70 is: 88,552.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,906.02 : 154,451.01 = 64,159.70 : x
  2. Step 2: Convert to fraction form
    111,906.02/154,451.01 = 64,159.70/x
  3. Step 3: Cross multiply
    111,906.02x = 154,451.01 × 64,159.70
  4. Step 4: Simplify right side
    111,906.02x = 9,909,530,466.30
  5. Step 5: Solve for x
    x = 9,909,530,466.30/111,906.02
  6. Step 6: Final answer
    x = 88,552.26

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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.